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H&igrave;nh sau&nbsp;c&oacute; bao nhi&ecirc;u h&igrave;nh tam gi&aacute;c, bao nhi&ecirc;u h&igrave;nh vu&ocirc;ng?<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"310\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"312\" 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><rect fill=\"#fff\" height=\"94\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2.5\" width=\"295.00001\" x=\"8.95455\" y=\"15.43182\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"105.95455\" x2=\"106.95455\" y1=\"15.43182\" y2=\"110.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"91.95455\" x2=\"90.95455\" y1=\"158.43182\" y2=\"158.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"105.95455\" x2=\"106.95455\" y1=\"15.43182\" y2=\"110.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"209.95455\" x2=\"210.95455\" y1=\"14.43182\" y2=\"109.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"9.95454\" x2=\"104.95455\" y1=\"16.97727\" y2=\"107.97727\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"212.95454\" x2=\"303.95454\" y1=\"106.97728\" y2=\"15.97727\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"151.29014\" xml:space=\"preserve\" y=\"65.13031\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"228.49551\" xml:space=\"preserve\" y=\"49.68923\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"269.6717\" xml:space=\"preserve\" y=\"85.71841\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"71.14362\" xml:space=\"preserve\" y=\"49.68923\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"29.23214\" xml:space=\"preserve\" y=\"84.24783\">5<\/text> <\/g> <\/svg><\/span><\/p>","options":["4 h&igrave;nh tam gi&aacute;c v&agrave; 3 h&igrave;nh vu&ocirc;ng","4 h&igrave;nh tam gi&aacute;c v&agrave; 4 h&igrave;nh vu&ocirc;ng","3 h&igrave;nh tam gi&aacute;c v&agrave; 3 h&igrave;nh vu&ocirc;ng","3 h&igrave;nh tam gi&aacute;c v&agrave; 4 h&igrave;nh vu&ocirc;ng"],"correct":"1","level":"2","hint":"","answer":"<p>H&igrave;nh tr&ecirc;n c&oacute;:<\/p><p>4 h&igrave;nh tam gi&aacute;c l&agrave; h&igrave;nh&nbsp;2, 3, 4, 5<\/p><p>3 h&igrave;nh vu&ocirc;ng l&agrave; h&igrave;nh&nbsp;1, 2 + 3, 4 + 5<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;: <span style=\"color:#16a085;\"><strong>4 h&igrave;nh tam gi&aacute;c v&agrave; 3 h&igrave;nh vu&ocirc;ng.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-09-02 18:11:34","option_type":"txt","len":3},{"id":"2781","post_id":"6165","mon_id":"1158530","chapter_id":"1158594","question":"<p>Cho h&igrave;nh v\u1ebd sau. H&igrave;nh sau c&oacute; bao nhi&ecirc;u h&igrave;nh t\u1ee9 gi&aacute;c?<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"310\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"312\" 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><rect fill=\"#fff\" height=\"94\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2.5\" width=\"295.00001\" x=\"8.95455\" y=\"15.43182\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"105.95455\" x2=\"106.95455\" y1=\"15.43182\" y2=\"110.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"91.95455\" x2=\"90.95455\" y1=\"158.43182\" y2=\"158.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"105.95455\" x2=\"106.95455\" y1=\"15.43182\" y2=\"110.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"209.95455\" x2=\"210.95455\" y1=\"14.43182\" y2=\"109.43182\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"9.95454\" x2=\"104.95455\" y1=\"16.97727\" y2=\"107.97727\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"212.95454\" x2=\"303.95454\" y1=\"106.97728\" y2=\"15.97727\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"151.29014\" xml:space=\"preserve\" y=\"65.13031\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"228.49551\" xml:space=\"preserve\" y=\"49.68923\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"269.6717\" xml:space=\"preserve\" y=\"85.71841\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"71.14362\" xml:space=\"preserve\" y=\"49.68923\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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=\"29.23214\" xml:space=\"preserve\" y=\"84.24783\">5<\/text> <\/g> <\/svg><\/span><\/p>","options":["6 h&igrave;nh t\u1ee9 gi&aacute;c","8 h&igrave;nh t\u1ee9 gi&aacute;c","11 h&igrave;nh t\u1ee9 gi&aacute;c","12 h&igrave;nh t\u1ee9 gi&aacute;c"],"correct":"3","level":"2","hint":"","answer":"<p>H&igrave;nh tr&ecirc;n c&oacute; 11 h&igrave;nh t\u1ee9 gi&aacute;c, g\u1ed3m h&igrave;nh: 1, 2 + 3, 1 + 2, 1 + 4, 4 + 5, 1 + 2 + 3, 1 + 2 + 4, 1 + 4 + 5, 1 + 2 + 3 + 4, 1 + 2 + 4 + 5, 1 + 2 + 3 + 4 + 5.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:<span style=\"color:#16a085;\"><strong> 11&nbsp;h&igrave;nh t\u1ee9 gi&aacute;c<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-09-02 18:15:09","option_type":"txt","len":2}]}
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