Hình tam giác, hình tứ giác. Hình chữ nhật, hình vuông

Home Toán lớp 3 - Tập 1 CHỦ ĐỀ 3 - LÀM QUEN VỚI HÌNH PHẲNG, HÌNH KHỐI Bài 19: Hình tam giác, hình tứ giác. Hình chữ nhật, hình vuôngBài tập nâng cao

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y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p>Hình trên có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> hình tam giác, <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> hình t\u1ee9 giác.<\/span><\/p>","options":"","correct":["[\"10\",\"4\"]"],"level":"3","hint":"","answer":"Hình trên có:<\/p>- 10 hình tam giác: AHB, AIH, AIE, CHI, CEI, ABC, AHE, AHC, EAC, CHE.<\/p>- 4 hình t\u1ee9 giác: ABHE, AHCE, ABCE, AIHB<\/p>\u0110áp án \u0111úng là: Hình bên có 10<\/strong><\/span> hình tam giác, 4<\/font> <\/strong><\/span>hình t\u1ee9 giác.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"1","date":"2022-08-14 16:10:54"},{"id":"2402","post_id":"6103","mon_id":"1158530","chapter_id":"1158594","question":"Ch\u1ecdn mô t\u1ea3 \u0111úng v\u1ec1 hình v\u1ebd sau:<\/p><svg height=\"261\" width=\"263\"> <g><title><\/title><rect fill=\"#fff\" height=\"263\" id=\"canvas_background\" width=\"265\" 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=\"217\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2.5\" width=\"184\" x=\"30.95455\" y=\"30.43182\"><\/rect> <path d=\"m32.16055,246.17127l91.11268,-213.18309l91.11268,213.18309l-182.22536,0z\" fill=\"#fff\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"2\"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"2\" x1=\"123.0173\" x2=\"124.42575\" y1=\"34.70936\" y2=\"246.68117\"><\/line> <\/g> <\/svg><\/span><\/p>","options":["a) <\/strong>có 3 hình ch\u1eef nh\u1eadt, 5 hình tam giác","b) <\/strong>có 2 hình ch\u1eef nh\u1eadt, 5 hình tam giác","c) <\/strong>có 3 hình ch\u1eef nh\u1eadt, 4 hình tam giác","d) <\/strong>có 3 hình ch\u1eef nh\u1eadt, 3 hình tam giác"],"correct":"1","level":"3","hint":"","answer":"\u0110áp án \u0111úng là: <\/span><\/font>a) <\/strong>có 3 hình ch\u1eef nh\u1eadt, 5 hình tam giác<\/span><\/span><\/font><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-14 16:21:21","option_type":"txt","len":3},{"id":"2403","post_id":"6103","mon_id":"1158530","chapter_id":"1158594","question":"Trong hình sau có bao nhiêu hình tam giác, bao nhiêu hình t\u1ee9 giác?<\/p><svg height=\"192\" width=\"286\"> <g><title><\/title><rect fill=\"#fff\" height=\"194\" id=\"canvas_background\" width=\"288\" 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=\"163.6024\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2\" width=\"263\" x=\"12.55695\" y=\"14.03423\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"2\" x1=\"10.95455\" x2=\"273.95455\" y1=\"107.97727\" y2=\"107.97727\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"2\" x1=\"13.55696\" x2=\"275.9666\" y1=\"15.37487\" y2=\"105.98932\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"2\" x1=\"13.35215\" x2=\"274.13526\" y1=\"109.17004\" y2=\"174.97727\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.7743589878082275,0,0,0.7743589878082275,52.37787366839984,16.41318011144176) \" x=\"208.79086\" xml:space=\"preserve\" y=\"57.55976\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7743589878082275,0,0,0.7743589878082275,52.37787366839984,16.41318011144176) \" x=\"159.00231\" xml:space=\"preserve\" y=\"105.01447\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" 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\" transform=\"matrix(0.7743589878082275,0,0,0.7743589878082275,52.37787366839984,16.41318011144176) \" x=\"114.65937\" xml:space=\"preserve\" y=\"147.02357\">3<\/text> <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\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7743589878082275,0,0,0.7743589878082275,52.37787366839984,16.41318011144176) \" x=\"59.4252\" xml:space=\"preserve\" y=\"186.69882\">4<\/text> <\/g> <\/svg><\/span><\/p>","options":["a)<\/strong> 5 hình tam giác và 5 hình t\u1ee9 giác","b)<\/strong> 5 hình tam giác và 4 hình t\u1ee9 giác","c) <\/strong>4 hình tam giác và 4 hình t\u1ee9 giác","d)<\/strong> 4 hình tam giác và 6 hình t\u1ee9 giác"],"correct":"4","level":"3","hint":"","answer":"Hình bên có:<\/p>Có 4 hình tam giác: 1, 2, 3 , 4<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>Có 6 hình t\u1ee9 giác: 1 + 2, 2 + 3, 3 + 4, 1 + 2 + 3, 2 + 3 + 4, 1 + 2 + 3 + 4<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\u0110áp án \u0111úng là: d) 4 hình tam giác và 6 hình t\u1ee9 giác<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-14 16:24:12","option_type":"txt","len":3}]}