{"common":{"save":0,"post_id":"8375","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4272","post_id":"8375","mon_id":"1159414","chapter_id":"1159495","question":"<p>N\u1ed1i ph&eacute;p t&iacute;nh v\u1edbi c&aacute;ch b\u1ea5m \u0111&uacute;ng m&aacute;y t&iacute;nh c\u1ea7m tay:<\/p>","options":[["33 x 22 =","49 : 5 = ","56 + 65 ="],["<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_6\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10.5\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">+<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span>","<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_1\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_2\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_3\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_4\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_5\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_6\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span>","<span class=\"svgedit\"><svg height=\"40\" width=\"160\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">9<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"14.25\">_<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"14.25\">.<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"25.25\">.<\/text> <\/g> <\/svg><\/span>"],["<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_1\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_2\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_3\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_4\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_5\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_6\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span>","<span class=\"svgedit\"><svg height=\"40\" width=\"160\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">9<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"14.25\">_<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"14.25\">.<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"25.25\">.<\/text> <\/g> <\/svg><\/span>","<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n&lt;title&gt;&lt;\/title>\n<rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_6\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10.5\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">+<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span>"]],"correct":[2,0,1],"level":"1","hint":"","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng c\u1ea7n n\u1ed1i l&agrave;<\/p><p><span style=\"color:#16a085;\">33 x 22 = n\u1ed1i v\u1edbi&nbsp;<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_1\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_2\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_3\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_4\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_5\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#ffaaaa\" height=\"26\" id=\"svg_6\" rx=\"7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span><\/span><\/p><p><span style=\"color:#16a085;\">49 : 5 = n\u1ed1i v\u1edbi&nbsp;<span class=\"svgedit\"><svg height=\"40\" width=\"160\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#ffd4aa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"27.25\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">9<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"14.25\">_<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"14.25\">.<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"25.25\">.<\/text> <\/g> <\/svg><\/span><\/span><\/p><p><span style=\"color:#16a085;\">56 + 65 = n\u1ed1i v\u1edbi<\/span>&nbsp;<span class=\"svgedit\"><svg height=\"40\" width=\"185\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"187\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"5\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"35\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"65\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"95\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"125\" y=\"5.25\"><\/rect> <rect fill=\"#d4ffaa\" height=\"25\" id=\"svg_6\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"155\" y=\"5.25\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10.5\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"41\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"27.25\">+<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"27.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"131\" xml:space=\"preserve\" y=\"27.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"161\" xml:space=\"preserve\" y=\"27.25\">=<\/text> <\/g> <\/svg><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"0","date":"2025-01-29 10:16:56"},{"id":"4274","post_id":"8375","mon_id":"1159414","chapter_id":"1159495","question":"<p>D&ugrave;ng m&aacute;y t&iacute;nh c\u1ea7m tay t&igrave;m k\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh sau.<\/p><p>45 987 + 12 589&nbsp;&ndash; 1125 =<\/p>","options":["<strong>A.<\/strong> 57 451","<strong>B.<\/strong> 54 751","<strong>C.<\/strong> 55 741","<strong>D.<\/strong> 54 571"],"correct":"1","level":"1","hint":"<p>L\u1ea7n l\u01b0\u1ee3t \u1ea5n c&aacute;c ph&iacute;m<\/p><p><span class=\"svgedit\"><svg height=\"50\" width=\"400\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#d4ffaa\" height=\"52\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_3\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <g id=\"svg_39\" stroke=\"null\"> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_1\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"3.27778\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"11.27778\" xml:space=\"preserve\" y=\"32.47222\">4<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_4\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"26.62069\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"44.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_6\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"49.96359\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"78.27778\" xml:space=\"preserve\" y=\"32.47222\">9<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_8\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"73.3065\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"110.27778\" xml:space=\"preserve\" y=\"32.47222\">8<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_10\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"96.64941\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"143.27778\" xml:space=\"preserve\" y=\"32.47222\">7<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_12\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"119.99232\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"176.27778\" xml:space=\"preserve\" y=\"32.47222\">+<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_14\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"143.33522\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"210.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_16\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"166.67813\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"242.27778\" xml:space=\"preserve\" y=\"32.47222\">2<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_18\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"190.02104\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"275.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_20\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"213.36395\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"308.27778\" xml:space=\"preserve\" y=\"32.47222\">8<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_22\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"236.70685\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"342.27778\" xml:space=\"preserve\" y=\"32.47222\">9<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_24\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"260.04976\" y=\"4.47222\"><\/rect> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_26\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"283.39267\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"407.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_28\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"306.73558\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"440.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_30\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"330.07848\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"474.27778\" xml:space=\"preserve\" y=\"32.47222\">2<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_34\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"3\" x1=\"265.70864\" x2=\"274.90433\" y1=\"23.47222\" y2=\"23.47222\"><\/line> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_35\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"353.42139\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_36\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"506.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_37\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"376.7643\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_38\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"540\" xml:space=\"preserve\" y=\"32.47222\">=<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 57451.<\/span><\/p><p>L\u1ea7n l\u01b0\u1ee3t \u1ea5n c&aacute;c ph&iacute;m<\/p><p><span class=\"svgedit\"><svg height=\"50\" width=\"400\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#d4ffaa\" height=\"52\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_3\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <g id=\"svg_39\" stroke=\"null\"> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_1\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"3.27778\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"11.27778\" xml:space=\"preserve\" y=\"32.47222\">4<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_4\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"26.62069\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"44.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_6\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"49.96359\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"78.27778\" xml:space=\"preserve\" y=\"32.47222\">9<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_8\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"73.3065\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"110.27778\" xml:space=\"preserve\" y=\"32.47222\">8<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_10\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"96.64941\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"143.27778\" xml:space=\"preserve\" y=\"32.47222\">7<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_12\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"119.99232\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"176.27778\" xml:space=\"preserve\" y=\"32.47222\">+<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_14\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"143.33522\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"210.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_16\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"166.67813\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"242.27778\" xml:space=\"preserve\" y=\"32.47222\">2<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_18\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"190.02104\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"275.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_20\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"213.36395\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"308.27778\" xml:space=\"preserve\" y=\"32.47222\">8<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_22\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"236.70685\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"342.27778\" xml:space=\"preserve\" y=\"32.47222\">9<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_24\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"260.04976\" y=\"4.47222\"><\/rect> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_26\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"283.39267\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"407.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_28\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"306.73558\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"440.27778\" xml:space=\"preserve\" y=\"32.47222\">1<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_30\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"330.07848\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"474.27778\" xml:space=\"preserve\" y=\"32.47222\">2<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_34\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"3\" x1=\"265.70864\" x2=\"274.90433\" y1=\"23.47222\" y2=\"23.47222\"><\/line> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_35\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"353.42139\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_36\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"506.27778\" xml:space=\"preserve\" y=\"32.47222\">5<\/text> <rect fill=\"#56aaff\" height=\"40\" id=\"svg_37\" rx=\"8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"20.51346\" x=\"376.7643\" y=\"4.47222\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_38\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7073608282647292,0,0,1,0.9592067709475423,0) \" x=\"540\" xml:space=\"preserve\" y=\"32.47222\">=<\/text> <\/g> <\/g> <\/svg><\/span><\/p><p>M&agrave;n h&igrave;nh xu\u1ea5t hi\u1ec7n k\u1ebft qu\u1ea3&nbsp;<span style=\"color:#16a085;\"><strong>57 451<\/strong><\/span>. V\u1eady 45 987 + 12 589&nbsp;&ndash; 1125 =&nbsp;<span style=\"color:#16a085;\"><strong>57 451<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-29 10:19:43","option_type":"txt","len":0},{"id":"4275","post_id":"8375","mon_id":"1159414","chapter_id":"1159495","question":"<p>S\u1eed d\u1ee5ng m&aacute;y t&iacute;nh c\u1ea7m tay \u0111\u1ec3 t&iacute;nh 5% c\u1ee7a 76.<\/p>","options":["<strong>A.<\/strong> 2,8","<strong>B.<\/strong> 3,8","<strong>C.<\/strong> 4,8","<strong>D.<\/strong> 1,8"],"correct":"2","level":"1","hint":"<p>Ch&uacute; &yacute;: D\u1ea5u ph\u1ea9y th\u1eadp ph&acirc;n l&agrave; d\u1ea5u ch\u1ea5m trong m&aacute;y t&iacute;nh.<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 3,8.<\/span><\/p><p>L\u1ea7n l\u01b0\u1ee3t \u1ea5n c&aacute;c ph&iacute;m&nbsp;<\/p><p><span class=\"svgedit\"><svg height=\"40\" width=\"215\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"42\" id=\"canvas_background\" width=\"217\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_1\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"5\" y=\"5\"><\/rect> <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_2\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"40\" y=\"5\"><\/rect> <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_3\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"75\" y=\"5\"><\/rect> <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_4\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"110\" y=\"5\"><\/rect> <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_5\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"145\" y=\"5\"><\/rect> <rect fill=\"#aaffaa\" height=\"30\" id=\"svg_6\" rx=\"5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"30\" x=\"180\" y=\"5\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"14\" xml:space=\"preserve\" y=\"30.25\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"45\" xml:space=\"preserve\" y=\"29.25\">%<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"84\" xml:space=\"preserve\" y=\"30.25\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"30.25\">7<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"154\" xml:space=\"preserve\" y=\"30.25\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"189\" xml:space=\"preserve\" y=\"30.25\">=<\/text> <\/g> <\/svg><\/span><\/p><p>M&agrave;n h&igrave;nh xu\u1ea5t hi\u1ec7n k\u1ebft qu\u1ea3 <span style=\"color:#16a085;\"><strong>3.8<\/strong><\/span>.<\/p><p>V\u1eady 5% c\u1ee7a 76 l&agrave; <span style=\"color:#16a085;\"><strong>3,8<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-29 10:22:54","option_type":"txt","len":0}]}