{"common":{"save":0,"post_id":"7716","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1944","post_id":"7716","mon_id":"1159414","chapter_id":"1159461","question":"<p>208,7855 : 24,563 =&hellip;<\/p>","options":["<strong>A.<\/strong> 8,4","<strong>B.<\/strong> 7,5","<strong>C.<\/strong> 8,5","<strong>D.<\/strong> 7,4"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 8,5.<\/span><\/p><p>- Ph\u1ea7n th\u1eadp ph&acirc;n c\u1ee7a s\u1ed1 24,563 c&oacute; ba ch\u1eef s\u1ed1.<br \/>- Chuy\u1ec3n d\u1ea5u ph\u1ea9y c\u1ee7a s\u1ed1 24,563 sang b&ecirc;n ph\u1ea3i ba ch\u1eef s\u1ed1, chuy\u1ec3n d\u1ea5u ph\u1ea9y sang ba ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c 208785,5;&nbsp;b\u1ecf d\u1ea5u ph\u1ea9y \u1edf s\u1ed1 24,563 \u0111\u01b0\u1ee3c&nbsp;24563.<br \/>- Th\u1ef1c hi\u1ec7n ph&eacute;p chia:<\/p><p><span class=\"svgedit\"><svg height=\"100\" width=\"200\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#aaaaff\" height=\"102\" id=\"canvas_background\" width=\"202\" 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><g id=\"svg_3\" stroke=\"null\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"114.86363\" x2=\"114.86363\" y1=\"3.52272\" y2=\"75.52272\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"199.86363\" x2=\"115.96753\" y1=\"37.52272\" y2=\"37.52272\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"4.86363\" xml:space=\"preserve\" y=\"26.52272\">208785,5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"126.86363\" xml:space=\"preserve\" y=\"27.52272\">24563<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"138.86363\" xml:space=\"preserve\" y=\"64.52272\">8,5<\/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=\"17.86363\" xml:space=\"preserve\" y=\"64.52272\">12281 5<\/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=\"90.86363\" xml:space=\"preserve\" y=\"95.52272\">0<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-25 01:55:09","option_type":"txt","len":0},{"id":"1946","post_id":"7716","mon_id":"1159414","chapter_id":"1159461","question":"<p>45,28 = 40 + 5 + ... + 0,08<\/p>","options":["<strong>A.<\/strong> 20","<strong>B.<\/strong> 2","<strong>C.<\/strong> 0,2","<strong>D.<\/strong> 0,02"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 0,2.<\/span><\/p><p>45,28 = 40 + 5 + <span style=\"color:#16a085;\"><strong>0,2<\/strong><\/span> + 0,08<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-25 01:56:55","option_type":"txt","len":0},{"id":"1947","post_id":"7716","mon_id":"1159414","chapter_id":"1159461","question":"<p>M\u1ed9t h&igrave;nh ch\u1eef nh\u1eadt c&oacute; chi\u1ec1u d&agrave;i 4,2m v&agrave; chi\u1ec1u r\u1ed9ng 35dm. Chu vi c\u1ee7a h&igrave;nh ch\u1eef nh\u1eadt l&agrave;:<\/p>","options":["<strong>A.<\/strong> 15,4 dm","<strong>B.<\/strong> 154 dm","<strong>C.<\/strong> 15,4 m","<strong>D.<\/strong> 154 m"],"correct":"[\"2\",\"3\"]","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 154 dm<\/span> v&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 15,4 m.<\/span><\/p><p>35 dm = 3,5 m.<\/p><p>Chu vi c\u1ee7a h&igrave;nh ch\u1eef nh\u1eadt l&agrave;:<\/p><p>(4,2 + 3,5) x 2&nbsp;= 7,7 x 2 = 15,4 (m).<\/p><p>\u0110\u1ed5i: <span style=\"color:#16a085;\"><strong>15,4 m = 154 dm<\/strong><\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"0","date":"2024-09-25 02:00:10","option_type":"txt","len":0}]}