Điểm ở giữa, trung điểm của đoạn thẳng

Home Toán lớp 3 - Tập 1 CHỦ ĐỀ 3 - LÀM QUEN VỚI HÌNH PHẲNG, HÌNH KHỐI Bài 16: Điểm ở giữa, trung điểm của đoạn thẳngBài tập trung bình

{"common":{"save":0,"post_id":"6084","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2301","post_id":"6084","mon_id":"1158530","chapter_id":"1158594","question":"Cho hình v\u1ebd sau. Hãy cho bi\u1ebft O là \u0111i\u1ec3m n\u1eb1m gi\u1eefa \u0111o\u1ea1n th\u1eb3ng nào?<\/p><svg height=\"156\" width=\"252.00000000000003\"> <g><title><\/title><rect fill=\"#fff\" height=\"158\" id=\"canvas_background\" width=\"254\" 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=\"3\" x1=\"23.58725\" x2=\"194.23906\" y1=\"12.91862\" y2=\"135.74444\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"210.54337\" x2=\"57.28283\" y1=\"9.11428\" y2=\"127.59228\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.27083\" xml:space=\"preserve\" y=\"27.16778\">A<\/text> <ellipse cx=\"59.0039\" cy=\"126.9255\" fill=\"#fff\" id=\"svg_5\" rx=\"1.90217\" ry=\"1.63043\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"117.7862\" cy=\"80.94003\" fill=\"#fff\" id=\"svg_8\" rx=\"1.69209\" ry=\"1.42035\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"208.33679\" cy=\"10.20123\" fill=\"#fff\" id=\"svg_9\" rx=\"1.90217\" ry=\"1.63043\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"25.48186\" cy=\"14.05581\" fill=\"#fff\" id=\"svg_10\" rx=\"1.90217\" ry=\"1.63043\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"192.7495\" cy=\"134.70772\" fill=\"#fff\" id=\"svg_11\" rx=\"1.90217\" ry=\"1.63043\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"212.7323\" xml:space=\"preserve\" y=\"18.34428\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"196.34579\" xml:space=\"preserve\" y=\"145.2346\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"48.02699\" xml:space=\"preserve\" y=\"149.43626\">C<\/text> <text fill=\"#619E73\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"109.37131\" xml:space=\"preserve\" y=\"69.60461\">O<\/text> <\/g> <\/svg><\/span><\/p>","options":["1.<\/strong> \u0110o\u1ea1n th\u1eb3ng AB","2.<\/strong> \u0110o\u1ea1n th\u1eb3ng CD","3. <\/strong>C\u1ea3 2 \u0111o\u1ea1n th\u1eb3ng AB và CD","4. <\/strong>Không \u0111o\u1ea1n th\u1eb3ng nào"],"correct":"3","level":"2","hint":"","answer":"O n\u1eb1m gi\u1eefa c\u1ea3 2 \u0111o\u1ea1n th\u1eb3ng AB và \u0111o\u1ea1n th\u1eb3ng CD.<\/p>\u0110áp án \u0111úng: 3. C\u1ea3 2 \u0111o\u1ea1n th\u1eb3ng AB và CD<\/strong><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"129","test":"1","date":"2022-08-10 17:52:05","option_type":"txt","len":0},{"id":"2302","post_id":"6084","mon_id":"1158530","chapter_id":"1158594","question":"Cho hình v\u1ebd sau \u0111ây. Z là \u0111i\u1ec3m n\u1eb1m gi\u1eefa \u0111i\u1ec3m A và C. \u0110úng hay sai?<\/p><svg height=\"246\" width=\"289\"> <g><title><\/title><rect fill=\"#fff\" height=\"248\" id=\"canvas_background\" width=\"291\" 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><text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"143.61631\" xml:space=\"preserve\" y=\"20.23889\">A<\/text> <path d=\"m51.04499,235.16686l101.49999,-212.46517l101.49999,212.46517l-202.99998,0z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"3\"><\/path> <ellipse cx=\"128.96519\" cy=\"113.70354\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_2\" rx=\"2\" ry=\"1.66278\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"5\"><\/ellipse> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"28.50062\" xml:space=\"preserve\" y=\"237.67965\">B<\/text> <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\" style=\"cursor: move;\" text-anchor=\"start\" x=\"259.8948\" xml:space=\"preserve\" y=\"236.51687\">C<\/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\" text-anchor=\"start\" x=\"137.22099\" xml:space=\"preserve\" y=\"125.47092\">Z<\/text> <\/g> <\/svg><\/span><\/p>","options":["\u0110úng","Sai"],"correct":"2","level":"2","hint":"","answer":"Quan sát hình trên th\u1ea5y 3 \u0111i\u1ec3m A, Z, C không th\u1eb3ng hàng nên Z không<\/strong> n\u1eb1m gi\u1eefa A và C.<\/p>\u0110áp án là Sai<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-10 17:54:14","option_type":"txt","len":1},{"id":"2303","post_id":"6084","mon_id":"1158530","chapter_id":"1158594","question":"Cho hình v\u1ebd d\u01b0\u1edbi \u0111ây. P n\u1eb1m gi\u1eefa \u0111o\u1ea1n th\u1eb3ng nào?<\/p><svg height=\"278\" width=\"278\"> <g><title><\/title><rect fill=\"#fff\" height=\"280\" id=\"canvas_background\" width=\"280\" 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=\"3\" x1=\"40.9\" x2=\"249.9\" y1=\"23.65\" y2=\"21.65\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"3\" x1=\"137.9\" x2=\"140.9\" y1=\"24.65\" y2=\"246.67703\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"15.9\" x2=\"224.9\" y1=\"248.65\" y2=\"246.65\"><\/line> <ellipse cx=\"44.4\" cy=\"23.50135\" fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"139.04865\" cy=\"134.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"246.75134\" cy=\"21.82568\" fill=\"none\" fill-opacity=\"null\" id=\"svg_7\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"16.77838\" cy=\"249.17703\" fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"221.42702\" cy=\"245.79865\" fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <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=\"147.77026\" xml:space=\"preserve\" y=\"47.38514\">C<\/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\" text-anchor=\"start\" x=\"20.74323\" xml:space=\"preserve\" y=\"35.22298\">A<\/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=\"258.58107\" xml:space=\"preserve\" y=\"29.81757\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11.28378\" xml:space=\"preserve\" y=\"272.38515\">D<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"217.36485\" xml:space=\"preserve\" y=\"269.68243\">F<\/text> <ellipse cx=\"137.6973\" cy=\"23.33919\" fill=\"none\" fill-opacity=\"null\" id=\"svg_15\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <ellipse cx=\"141.07568\" cy=\"246.31216\" fill=\"none\" fill-opacity=\"null\" id=\"svg_16\" rx=\"2.5\" ry=\"2.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"130.87837\" xml:space=\"preserve\" y=\"270.35812\">E<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"150.47297\" xml:space=\"preserve\" y=\"146.03379\">P<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(88.70537567138672 150.8477325439453,85.96790313720703) matrix(0.6721382141113281,0,0,0.6131410002708435,52.65725628496148,38.994287443822486) \" x=\"123.41337\" xml:space=\"preserve\" y=\"85.01388\">1cm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(88.70537567138672 152.8747406005859,194.0760192871094) matrix(0.6721382141113281,0,0,0.6131410002708435,52.65725628496148,38.994287443822486) \" x=\"126.42915\" xml:space=\"preserve\" y=\"261.33239\">1cm<\/text> <\/g> <\/svg><\/span><\/p>","options":["A và B","C và E","D và E","A và E"],"correct":"2","level":"2","hint":"","answer":"3 \u0111i\u1ec3m C, P, E th\u1eb3ng hàng nên P n\u1eb1m gi\u1eefa C và E<\/p>\u0110áp án \u0111úng là: C và E<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"129","test":"1","date":"2022-08-10 17:56:36","option_type":"txt","len":0}]}