Luyện tập chung với hình phẳng

Home Lớp 2 Toán lớp 2 - Sách Kết nối tri thức Bài 28: Luyện tập chungBài tập nâng cao

{"common":{"save":0,"post_id":"4241","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2422","post_id":"4241","mon_id":"11445","chapter_id":"11475","question":"Cho nhi\u1ec1u hình tam giác nh\u1ecf b\u1eb1ng nhau (1) \u0111\u1ec3 ghép thành 1 hình t\u1ee9 giác l\u1edbn (2). H\u1ecfi c\u1ea7n bao nhiêu hình tam giác nh\u1ecf \u0111\u1ec3 ghép \u0111\u01b0\u1ee3c 1 hình t\u1ee9 giác l\u1edbn?<\/p>1<svg height=\"107\" width=\"349\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"109\" id=\"canvas_background\" width=\"351\" 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><title><\/title><image height=\"108\" id=\"svg_1\" width=\"351\" x=\"-2.5\" xlink:href=\"data:image\/png;base64,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\" y=\"5\"><\/image> <\/g> <\/svg><\/span>2<\/p>","options":["1 hình tam giác","2 hình tam giác","3 hình tam giác","4 hình tam giác"],"correct":"4","level":"3","hint":"","answer":"1 hình t\u1ee9 giác l\u1edbn \u0111\u01b0\u1ee3c ghép b\u1edfi 4 hình tam giác nh\u1ecf b\u1eb1ng nhau nh\u01b0 sau: <\/p><svg height=\"104\" width=\"244\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"106\" id=\"canvas_background\" width=\"246\" 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> <title><\/title> <image height=\"108\" id=\"svg_1\" width=\"243\" x=\"1.5\" xlink:href=\"data:image\/png;base64,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\" y=\"3\"><\/image> <\/g> <\/svg><\/span><\/p>V\u1eady ta ch\u1ecdn \u0111áp án là: 4 hình tam giác<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"3","date":"2021-07-31 15:54:23","option_type":"txt","len":2},{"id":"2423","post_id":"4241","mon_id":"11445","chapter_id":"11475","question":"Cho nhi\u1ec1u hình tam giác nh\u1ecf b\u1eb1ng nhau (1) \u0111\u1ec3 ghép thành 1 hình m\u0169i tên l\u1edbn (2). H\u1ecfi c\u1ea7n bao nhiêu hình tam giác nh\u1ecf \u0111\u1ec3 ghép \u0111\u01b0\u1ee3c 1 hình m\u0169i tên l\u1edbn?<\/p>1<svg height=\"187\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"189\" id=\"canvas_background\" width=\"322\" 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><title><\/title><image height=\"186\" id=\"svg_1\" width=\"320\" x=\"5\" xlink:href=\"data:image\/png;base64,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\" y=\"6\"><\/image> <\/g> <\/svg><\/span>2<\/p>","options":["4 hình tam giác","3 hình tam giác","2 hình tam giác","1 hình tam giác"],"correct":"1","level":"3","hint":"","answer":"1 hình m\u0169i tên l\u1edbn \u0111\u01b0\u1ee3c ghép b\u1edfi 4 hình tam giác nh\u1ecf b\u1eb1ng nhau, nh\u01b0 sau: <\/p><svg height=\"163\" width=\"157\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"165\" id=\"canvas_background\" width=\"159\" 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> <title><\/title> <image height=\"177\" id=\"svg_1\" stroke=\"null\" width=\"169\" x=\"-3\" xlink:href=\"data:image\/png;base64,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\" y=\"-2\"><\/image> <\/g> <\/svg><\/span><\/p>V\u1eady ta ch\u1ecdn \u0111áp án là: 4 hình tam giác<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"3","date":"2021-07-31 16:11:20","option_type":"txt","len":2},{"id":"2424","post_id":"4241","mon_id":"11445","chapter_id":"11475","question":"U\u1ed1n h\u1ebft m\u1ed9t s\u1ee3i dây \u0111\u1ed3ng \u0111\u01b0\u1ee3c 1 hình vuông có c\u1ea1nh b\u1eb1ng 3cm. Tính chi\u1ec1u dài c\u1ee7a s\u1ee3i dây \u0111\u1ed3ng \u0111ó?<\/p><svg height=\"178\" width=\"243\"> <g><title><\/title><rect fill=\"#fff\" height=\"180\" id=\"canvas_background\" width=\"245\" 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><title><\/title><rect fill=\"#fff\" height=\"145.99999\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"179\" x=\"27\" y=\"4.25\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"93.5\" xml:space=\"preserve\" y=\"174.25\">3 cm<\/text> <\/g> <\/svg><\/span><\/p>","options":["3cm","6cm","9cm","12cm"],"correct":"4","level":"3","hint":"-  \u0110\u1ed9 dài s\u1ee3i dây chính là \u0111\u1ed9 dài c\u1ee7a 4 c\u1ea1nh hình vuông.<\/p>-  Hình vuông có 4 c\u1ea1nh b\u1eb1ng nhau.<\/p>","answer":"\u0110\u1ed9 dài s\u1ee3i dây chính là \u0111\u1ed9 dài c\u1ee7a 4 c\u1ea1nh hình vuông.<\/p>Hình vuông có 4 c\u1ea1nh b\u1eb1ng nhau nên \u0111\u1ed9 dài s\u1ee3i dây \u0111\u1ed3ng là:<\/p>3 + 3 + 3 + 3 = 12 (cm)<\/p>V\u1eady \u0111\u1ed9 dài s\u1ee3i dây \u0111\u1ed3ng là 12cm<\/span><\/strong><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"125","test":"3","date":"2021-07-31 16:34:53","option_type":"txt","len":0}]}