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HomeLớp 2Toán lớp 2 - Sách Kết nối tri thứcBài 26: Đường gấp khúc. Hình tứ giácBài tập nâng cao
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\" y=\"15.5\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["1","2","3","4"],"correct":"3","level":"3","hint":"<p>Con h&atilde;y t&igrave;m nh\u1eefng \u0111\u01b0\u1eddng g\u1ea5p kh&uacute;c ch\u1ec9 g\u1ed3m 2 \u0111o\u1ea1n th\u1eb3ng nh&eacute;!<\/p>","answer":"<p>\u0110\u01b0\u1eddng g\u1ea5p kh&uacute;c g\u1ed3m 2 \u0111o\u1ea1n th\u1eb3ng l&agrave;:<\/p><p>- \u0110\u01b0\u1eddng g\u1ea5p kh&uacute;c ABC (t\u1ea1o b\u1edfi \u0111o\u1ea1n th\u1eb3ng AB v&agrave; BC)<\/p><p>-&nbsp;\u0110\u01b0\u1eddng g\u1ea5p kh&uacute;c BCD&nbsp;(t\u1ea1o b\u1edfi \u0111o\u1ea1n th\u1eb3ng BC&nbsp;v&agrave; CD)<\/p><p>-&nbsp;\u0110\u01b0\u1eddng g\u1ea5p kh&uacute;c CDE&nbsp;(t\u1ea1o b\u1edfi \u0111o\u1ea1n th\u1eb3ng CD v&agrave; DE)<\/p><p>V\u1eady ta ch\u1ecdn \u0111&aacute;p &aacute;n l&agrave;: <strong><span style=\"color:#3498db;\">3<\/span><\/strong><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"125","test":"1","date":"2021-07-30 16:03:48","option_type":"txt","len":0},{"id":"2353","post_id":"4341","mon_id":"11445","chapter_id":"11475","question":"<p>H&igrave;nh sau c&oacute; bao nhi&ecirc;u h&igrave;nh&nbsp;t\u1ee9 gi&aacute;c?<\/p><p><span class=\"svgedit\"><svg height=\"99\" width=\"179\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"101\" id=\"canvas_background\" width=\"181\" 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><image height=\"86\" id=\"svg_1\" width=\"172\" x=\"4\" xlink:href=\"data:image\/png;base64,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\" y=\"6\"><\/image> <\/g> <\/svg><\/span><\/p><p><span style=\"color:#2980b9;\">H&igrave;nh tr&ecirc;n c&oacute; t\u1ea5t c\u1ea3&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;h&igrave;nh&nbsp;t\u1ee9 gi&aacute;c.&nbsp;<\/span><\/p>","options":"","correct":["[\"6\"]"],"level":"3","hint":"<p>\u0110\u1ec3 \u0111\u1ebfm h&igrave;nh d\u1ec5 h\u01a1n, con h&atilde;y v\u1ebd l\u1ea1i h&igrave;nh v&agrave; ghi&nbsp;s\u1ed1 v&agrave;o c&aacute;c h&igrave;nh \u0111\u01a1n, sau \u0111&oacute; \u0111\u1ebfm s\u1ed1 h&igrave;nh \u0111\u01a1n v&agrave; h&igrave;nh g\u1ed9p nh&eacute;!<\/p>","answer":"<p>B\u01b0\u1edbc 1: \u0110&aacute;nh s\u1ed1 v&agrave;o h&igrave;nh v\u1ebd v&agrave; \u0111\u1ebfm s\u1ed1 h&igrave;nh \u0111\u01a1n:<\/p><p><span class=\"svgedit\"><svg height=\"109\" width=\"216\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"111\" id=\"canvas_background\" width=\"218\" 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; <image height=\"104\" id=\"svg_1\" stroke=\"null\" width=\"209\" x=\"2.5\" 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\" y=\"4\"><\/image> <\/g> <\/svg><\/span><\/p><p>C&oacute; <span style=\"color:#3498db;\">3<\/span> h&igrave;nh t\u1ee9 gi&aacute;c l&agrave; h&igrave;nh (1),&nbsp;(2), (3)<\/p><p>B\u01b0\u1edbc 2: \u0110\u1ebfm h&igrave;nh g\u1ed9p:<\/p><p>- Gh&eacute;p h&igrave;nh (1) v&agrave; h&igrave;nh (2) \u0111\u01b0\u1ee3c <span style=\"color:#3498db;\">1<\/span>&nbsp;h&igrave;nh t\u1ee9 gi&aacute;c.<\/p><p>- Gh&eacute;p h&igrave;nh (2) v&agrave; (3) \u0111\u01b0\u1ee3c <span style=\"color:#3498db;\">1 <\/span>h&igrave;nh t\u1ee9 gi&aacute;c<\/p><p>- Gh&eacute;p h&igrave;nh (1), h&igrave;nh (2) v&agrave; h&igrave;nh (3) \u0111\u01b0\u1ee3c <span style=\"color:#3498db;\">1 <\/span>h&igrave;nh t\u1ee9 gi&aacute;c<\/p><p>C\u1ed9ng c\u1ea3 hai b\u01b0\u1edbc \u0111\u01b0\u1ee3c: 3 + 1 + 1 + 1 = 6<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v&agrave;o &ocirc; tr\u1ed1ng l&agrave;: <span style=\"color:#16a085;\"><strong>6<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"125","test":"1","date":"2021-07-30 16:17:46"},{"id":"2354","post_id":"4341","mon_id":"11445","chapter_id":"11475","question":"<p>H&igrave;nh sau c&oacute; bao nhi&ecirc;u h&igrave;nh t\u1ee9 gi&aacute;c?&nbsp;<\/p><p><span class=\"svgedit\"><svg height=\"196\" width=\"283\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"198\" id=\"canvas_background\" width=\"285\" 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><image height=\"191.79797\" id=\"svg_1\" stroke=\"null\" width=\"259.88885\" x=\"10.44444\" 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font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(1.0415854454040527,0,0,1.0415854454040527,-1.642625093460083,-3.359324261546135) \" x=\"98.1763\" xml:space=\"preserve\" y=\"137.11382\">7<\/text> <\/g> <\/svg><\/span><\/p>","options":["2","4","6","5"],"correct":"3","level":"3","hint":"<p>Con h&atilde;y \u0111\u1ebfm s\u1ed1 h&igrave;nh t\u1ee9 gi&aacute;c \u1edf tr&ecirc;n, bao g\u1ed3m h&igrave;nh \u0111\u01a1n v&agrave; h&igrave;nh g\u1ed9p nh&eacute;!<\/p>","answer":"<p>\u0110\u1ebfm s\u1ed1 h&igrave;nh \u0111\u01a1n c&oacute; <strong>2<\/strong>&nbsp;h&igrave;nh t\u1ee9 gi&aacute;c g\u1ed3m: h&igrave;nh (3) v&agrave; h&igrave;nh (7)<\/p><p>\u0110\u1ebfm s\u1ed1 h&igrave;nh g\u1ed9p c&oacute; 4 h&igrave;nh t\u1ee9 gi&aacute;c g\u1ed3m: h&igrave;nh (2,3); h&igrave;nh (3,4); h&igrave;nh (2,3,4); h&igrave;nh (6,7)<\/p><p>T\u1ed5ng c\u1ed9ng c&oacute;: 2 + 4 = 6 (h&igrave;nh t\u1ee9 gi&aacute;c)<\/p><p>V\u1eady ta ch\u1ecdn \u0111&aacute;p &aacute;n l&agrave;:<span style=\"color:#16a085;\"><strong> 6<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"1","date":"2021-07-30 16:23:24","option_type":"number","len":0}]}
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