Ôn tập hình học và đo lường

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 79: Ôn tập hình học và đo lườngBài tập trung bình

{"common":{"save":0,"post_id":"5941","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2014","post_id":"5941","mon_id":"1158530","chapter_id":"1158711","question":"Cho hình v\u1ebd. Tính chu vi tam giác BCD.<\/p><svg height=\"160\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"252\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"18.30625\" x2=\"236\" y1=\"125\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"18.30625\" y1=\"20.44375\" y2=\"126.44375\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"236.30625\" x2=\"166.30625\" y1=\"124.44375\" y2=\"38.44375\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"235.30625\" y1=\"21.44375\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"167.30625\" x2=\"40.30626\" y1=\"37.44375\" y2=\"21.44375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"96.30625\" xml:space=\"preserve\" y=\"140.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(24.620033264160156 120.83975982666013,78.44374847412112) \" x=\"102.30625\" xml:space=\"preserve\" y=\"84.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-78.68031311035156 20.83976745605468,67.4437484741211) \" x=\"2.30625\" xml:space=\"preserve\" y=\"73.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(9.211917877197266 120.8397598266601,22.443752288818395) \" x=\"102.30625\" xml:space=\"preserve\" y=\"28.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(52.711669921875 209.83976745605472,76.44375610351561) \" x=\"191.30625\" xml:space=\"preserve\" y=\"82.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.30625\" xml:space=\"preserve\" y=\"152.44375\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"225.30625\" xml:space=\"preserve\" y=\"151.44375\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171.30625\" xml:space=\"preserve\" y=\"31.44375\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"23.30625\" xml:space=\"preserve\" y=\"24.44375\">D<\/text> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>12 cm","B. <\/strong>13 cm","C.<\/strong> 11 cm","D. <\/strong>10 cm"],"correct":"3","level":"2","hint":"","answer":"Tam giác BCD có \u0111\u1ed9 dài 3 c\u1ea1nh l\u1ea7n l\u01b0\u1ee3t là 3 cm, 3 cm và 5 cm.<\/p>Chu vi tam giác BCD là:<\/p>3 + 3 + 5 = 11 (cm)<\/p>\u0110áp s\u1ed1: 11 cm<\/p>\u0110áp án \u0111úng là  C.<\/strong> 11 cm<\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"3","date":"2022-06-29 01:43:15","option_type":"txt","len":0},{"id":"2015","post_id":"5941","mon_id":"1158530","chapter_id":"1158711","question":"Cho hình v\u1ebd. Tính chu vi tam giác ABD.<\/p><svg height=\"160\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"252\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"18.30625\" x2=\"236\" y1=\"125\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"18.30625\" y1=\"20.44375\" y2=\"126.44375\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"236.30625\" x2=\"166.30625\" y1=\"124.44375\" y2=\"38.44375\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"235.30625\" y1=\"21.44375\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"167.30625\" x2=\"40.30626\" y1=\"37.44375\" y2=\"21.44375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"96.30625\" xml:space=\"preserve\" y=\"140.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(24.620033264160156 120.83975982666013,78.44374847412112) \" x=\"102.30625\" xml:space=\"preserve\" y=\"84.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-78.68031311035156 20.83976745605468,67.4437484741211) \" x=\"2.30625\" xml:space=\"preserve\" y=\"73.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(9.211917877197266 120.8397598266601,22.443752288818395) \" x=\"102.30625\" xml:space=\"preserve\" y=\"28.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(52.711669921875 209.83976745605472,76.44375610351561) \" x=\"191.30625\" xml:space=\"preserve\" y=\"82.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.30625\" xml:space=\"preserve\" y=\"152.44375\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"225.30625\" xml:space=\"preserve\" y=\"151.44375\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171.30625\" xml:space=\"preserve\" y=\"31.44375\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"23.30625\" xml:space=\"preserve\" y=\"24.44375\">D<\/text> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>12 cm","B. <\/strong>13 cm","C.<\/strong> 11 cm","D. <\/strong>10 cm"],"correct":"2","level":"2","hint":"","answer":"Tam giác ABD có \u0111\u1ed9 dài ba c\u1ea1nh l\u1ea7n l\u01b0\u1ee3t là 3 cm, 5 cm và 5 cm.<\/p>Chu vi tam giác ABD là:<\/p>3 + 5 + 5 = 13 (cm)<\/p>\u0110áp s\u1ed1: 13 cm<\/p>\u0110áp án \u0111úng là  B. <\/strong>13 cm<\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"1","date":"2022-06-29 01:43:24","option_type":"txt","len":0},{"id":"2016","post_id":"5941","mon_id":"1158530","chapter_id":"1158711","question":"Cho hình v\u1ebd. Tính chu vi t\u1ee9 giác ABCD.<\/p><svg height=\"160\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"252\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"18.30625\" x2=\"236\" y1=\"125\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"18.30625\" y1=\"20.44375\" y2=\"126.44375\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"236.30625\" x2=\"166.30625\" y1=\"124.44375\" y2=\"38.44375\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"40.30625\" x2=\"235.30625\" y1=\"21.44375\" y2=\"125.44375\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"167.30625\" x2=\"40.30626\" y1=\"37.44375\" y2=\"21.44375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"96.30625\" xml:space=\"preserve\" y=\"140.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(24.620033264160156 120.83975982666013,78.44374847412112) \" x=\"102.30625\" xml:space=\"preserve\" y=\"84.44375\">5 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-78.68031311035156 20.83976745605468,67.4437484741211) \" x=\"2.30625\" xml:space=\"preserve\" y=\"73.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(9.211917877197266 120.8397598266601,22.443752288818395) \" x=\"102.30625\" xml:space=\"preserve\" y=\"28.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(52.711669921875 209.83976745605472,76.44375610351561) \" x=\"191.30625\" xml:space=\"preserve\" y=\"82.44375\">3 cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.30625\" xml:space=\"preserve\" y=\"152.44375\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"225.30625\" xml:space=\"preserve\" y=\"151.44375\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171.30625\" xml:space=\"preserve\" y=\"31.44375\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"23.30625\" xml:space=\"preserve\" y=\"24.44375\">D<\/text> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>14 cm","B. <\/strong>13 cm","C.<\/strong> 11 cm","D. <\/strong>10 cm"],"correct":"1","level":"2","hint":"","answer":"T\u1ee9 giác ABCD có \u0111\u1ed9 dài b\u1ed1n c\u1ea1nh l\u1ea7n l\u01b0\u1ee3t là 3 cm, 3 cm, 3 cm và 5 cm.<\/p>Chu vi t\u1ee9 giác ABCD là:<\/p>3 + 3 + 3 + 5 = 14 (cm)<\/p>\u0110áp s\u1ed1: 14 cm<\/p>\u0110áp án \u0111úng là  A. <\/strong>14 cm<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-29 01:47:13","option_type":"txt","len":0}]}