Ôn tập chương 5 Tính đối xứng của hình học phẳng

Home Lớp 6 Toán lớp 6 - Sách kết nối tri thức Ôn tập chương 5: Tính đối xứng của hình phẳng trong thực tiễnBài tập nâng cao

{"common":{"save":0,"post_id":"4661","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7226","post_id":"4661","mon_id":"1158113","chapter_id":"1158130","question":"Trong các hình d\u01b0\u1edbi \u0111ây, hình nào có hai tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/strong>?<\/p><svg height=\"180\" width=\"350\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"352\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_19\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_4\"> <rect fill=\"#fff\" height=\"111\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"67\" x=\"13.9\" y=\"21.85\"><\/rect> <rect fill=\"none\" height=\"71\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"87\" x=\"3.9\" y=\"76.85\"><\/rect> <path d=\"m9.7355,62.76575l38,-60l38,60l-38,60l-38,-60z\" fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_7\" stroke=\"null\"> <path d=\"m111.0455,62.29355l45.83625,0l14.16375,-51.56555l14.16376,51.56555l45.83624,0l-37.08224,31.8689l14.16449,51.56555l-37.08225,-31.86976l-37.08224,31.86976l14.16449,-51.56555l-37.08225,-31.8689z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m231.0455,94.16243l-45.83625,0l-14.16375,51.56556l-14.16376,-51.56556l-45.83624,0l37.08224,-31.86889l-14.16449,-51.56556l37.08225,31.86977l37.08225,-31.86977l-14.1645,51.56556l37.08225,31.86889z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_10\" stroke=\"null\"> <path d=\"m262.44548,70.98818l8.31889,-45.80823l33.68102,-20.38661l33.68103,20.38661l8.31905,45.80823l-23.30866,36.73559l-37.38283,0l-23.3085,-36.73559z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m346.44551,71.59849l-8.31889,45.80823l-33.68103,20.38661l-33.68103,-20.38661l-8.31905,-45.80823l23.30866,-36.73558l37.38283,0l23.30851,36.73558z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_16\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25.9\" xml:space=\"preserve\" y=\"170.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_17\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"161.9\" xml:space=\"preserve\" y=\"170.85\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_18\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"298.9\" xml:space=\"preserve\" y=\"169.85\">3<\/text> <\/g> <\/svg><\/span><\/p>","options":["Hình 1","Hình 3","Hình 2","Hình 2 và hình 3"],"correct":"4","level":"3","hint":"Ch\u1ecdn hình có hai tr\u1ee5c \u0111\u1ed1i x\u1ee9ng.<\/p>","answer":"Xét các hình:<\/p>+ Hình 1 có m\u1ed9t tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/p>+ Hình 2 có hai tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/p>+ Hình 3 có hai tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/p><svg height=\"210\" width=\"400\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"212\" id=\"canvas_background\" width=\"402\" 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> <g id=\"svg_4\"> <rect fill=\"#fff\" height=\"111\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"67\" x=\"17.9\" y=\"36.85\"><\/rect> <rect fill=\"none\" height=\"71\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"87\" x=\"7.9\" y=\"91.85\"><\/rect> <path d=\"m13.7355,77.76575l38,-60l38,60l-38,60l-38,-60z\" fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_7\" stroke=\"null\"> <path d=\"m128.0455,74.29355l45.83625,0l14.16375,-51.56555l14.16376,51.56555l45.83624,0l-37.08224,31.8689l14.16449,51.56555l-37.08225,-31.86976l-37.08224,31.86976l14.16449,-51.56555l-37.08225,-31.8689z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m248.0455,106.16243l-45.83625,0l-14.16375,51.56556l-14.16376,-51.56556l-45.83624,0l37.08224,-31.86889l-14.16449,-51.56556l37.08225,31.86977l37.08225,-31.86977l-14.1645,51.56556l37.08225,31.86889z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_10\" stroke=\"null\"> <path d=\"m289.44548,87.98818l8.31889,-45.80823l33.68102,-20.38661l33.68103,20.38661l8.31905,45.80823l-23.30866,36.73559l-37.38283,0l-23.3085,-36.73559z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m373.44551,88.59849l-8.31889,45.80823l-33.68103,20.38661l-33.68103,-20.38661l-8.31905,-45.80823l23.30866,-36.73558l37.38283,0l23.30851,36.73558z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"51.9\" x2=\"51.9\" y1=\"2.85\" y2=\"185.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"187.9\" x2=\"187.9\" y1=\"5.85\" y2=\"188.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" transform=\"rotate(90 187.8999938964844,89.9249954223633) \" x1=\"187.9\" x2=\"187.9\" y1=\"24.85\" y2=\"155\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_14\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"330.9\" x2=\"330.9\" y1=\"2.85\" y2=\"185.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_15\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" transform=\"rotate(90 331.89999389648443,88.92499542236331) \" x1=\"331.9\" x2=\"331.9\" y1=\"23.85\" y2=\"154\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_16\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25.9\" xml:space=\"preserve\" y=\"202.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_17\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"161.9\" xml:space=\"preserve\" y=\"202.85\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_18\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" x=\"315.9\" xml:space=\"preserve\" y=\"201.85\">3<\/text> <\/g> <\/svg><\/span><\/p>Do \u0111ó các hình có hai tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 2 và hình 3.<\/strong><\/p>V\u1eady \u0111áp án \u0111úng là <\/strong>Hình 2 và hình 3<\/strong><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"132","test":"3","date":"2021-09-05 03:51:54","option_type":"txt","len":0},{"id":"7227","post_id":"4661","mon_id":"1158113","chapter_id":"1158130","question":"Trong các hình d\u01b0\u1edbi \u0111ây, hình nào có tâm \u0111\u1ed1i x\u1ee9ng?<\/p><svg height=\"170\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_1\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_9\" stroke=\"null\"> <rect fill=\"none\" height=\"40.66666\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"47.9\" y=\"5.85\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"87.9\" y=\"46.51666\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"7.9\" y=\"46.51666\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"47.9\" y=\"87.18333\"><\/rect> <\/g> <g id=\"svg_10\" stroke=\"null\"> <path d=\"m146.8205,39.33871l44.49995,-34.5551l44.50006,34.5551l-16.99743,55.91156l-55.0051,0l-16.99748,-55.91156z\" fill=\"#fff\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m146.8205,63.87205l44.49995,-34.5551l44.50006,34.5551l-16.99743,55.91156l-55.00509,0l-16.99749,-55.91156z\" fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_17\" stroke=\"null\"> <g id=\"svg_13\" stroke=\"null\"> <path d=\"m288.35947,65.86888l30.97701,-52.00001l30.97701,52.00001l-61.95403,0l0.00001,0z\" fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m306.08927,37.20431l42.36557,-17.68219l42.36567,17.68219l-16.18217,28.61051l-52.36685,0l-16.18222,-28.61051z\" fill=\"none\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_16\" stroke=\"null\" transform=\"matrix(-0.9110885262489319,0,0,-0.6341463923454285,579.6334142758096,155.7857426334606) \"> <path d=\"m252.23878,141.79196l34,-82.00001l34.00001,82.00001l-68.00001,0z\" fill=\"none\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m271.69879,96.59014l46.49995,-27.88345l46.50006,27.88345l-17.76136,45.11656l-57.47723,0l-17.76142,-45.11656z\" fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"56.9\" xml:space=\"preserve\" y=\"161.85\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"184.9\" xml:space=\"preserve\" y=\"162.85\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"318.9\" xml:space=\"preserve\" y=\"158.85\">3<\/text> <\/g> <\/svg><\/span><\/p>","options":["Hình 1 và 3","Hình 2 và 3","Hình 1 và 2"],"correct":"1","level":"3","hint":"Ch\u1ecdn hình có tâm \u0111\u1ed1i x\u1ee9ng<\/p>","answer":"Xét các hình:<\/p>+ Hình 1 có tâm \u0111\u1ed1i x\u1ee9ng<\/p>+ Hình 2 không có tâm \u0111\u1ed1i x\u1ee9ng<\/p>+ Hình 3 có tâm \u0111\u1ed1i x\u1ee9ng<\/p><svg height=\"170\" width=\"400\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_1\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> <title><\/title> <g id=\"svg_9\" stroke=\"null\"> <rect fill=\"none\" height=\"40.66666\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"47.9\" y=\"4.85\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"87.9\" y=\"45.51666\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"7.9\" y=\"45.51666\"><\/rect> <rect fill=\"none\" height=\"40.66666\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"40\" x=\"47.9\" y=\"86.18333\"><\/rect> <\/g> <g id=\"svg_10\" stroke=\"null\"> <path d=\"m146.8205,39.33871l44.49995,-34.5551l44.50006,34.5551l-16.99743,55.91156l-55.0051,0l-16.99748,-55.91156z\" fill=\"#fff\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m146.8205,63.87205l44.49995,-34.5551l44.50006,34.5551l-16.99743,55.91156l-55.00509,0l-16.99749,-55.91156z\" fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_17\" stroke=\"null\"> <g id=\"svg_13\" stroke=\"null\"> <path d=\"m291.35947,69.86888l30.97701,-52.00001l30.97701,52.00001l-61.95403,0z\" fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m309.08927,41.20431l42.36557,-17.68219l42.36567,17.68219l-16.18217,28.61051l-52.36685,0l-16.18222,-28.61051z\" fill=\"none\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_16\" stroke=\"null\" transform=\"matrix(-0.9110885262489319,0,0,-0.6341463923454285,579.6334142758096,155.7857426334606) \"> <path d=\"m248.94602,135.48427l34,-82.00001l34.00001,82.00001l-68.00001,0z\" fill=\"none\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m268.40603,90.28245l46.49995,-27.88345l46.50006,27.88345l-17.76136,45.11656l-57.47723,0l-17.76142,-45.11656z\" fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"56.9\" xml:space=\"preserve\" y=\"161.85\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"184.9\" xml:space=\"preserve\" y=\"162.85\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"318.9\" xml:space=\"preserve\" y=\"158.85\">3<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_21\" stroke=\"#ff0000\" stroke-dasharray=\"5,5\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"2\" x1=\"7.9\" x2=\"127.9\" y1=\"45.85\" y2=\"85.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_23\" stroke=\"#ff0000\" stroke-dasharray=\"5,5\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"2\" x1=\"86.9\" x2=\"48.9\" y1=\"4.85\" y2=\"127.85\"><\/line> <ellipse cx=\"67.9\" cy=\"65.85\" fill=\"#ff0000\" id=\"svg_24\" rx=\"4\" ry=\"4\" stroke=\"#000000\" stroke-width=\"2\"><\/ellipse> <line fill=\"none\" id=\"svg_26\" stroke=\"#ff0000\" stroke-dasharray=\"5,5\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"2\" x1=\"251.9\" x2=\"392.9\" y1=\"97.85\" y2=\"41.85\"><\/line> <ellipse cx=\"322.9\" cy=\"69.85\" fill=\"#ff0000\" id=\"svg_25\" rx=\"4\" ry=\"4\" stroke=\"#000000\" stroke-width=\"2\"><\/ellipse> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_27\" stroke=\"#ff0000\" stroke-dasharray=\"5,5\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"2\" x1=\"321.9\" x2=\"321.9\" y1=\"15.85\" y2=\"123.85\"><\/line> <\/g> <\/svg><\/span><\/p>Do \u0111ó hình có tâm \u0111\u1ed1i x\u1ee9ng là hình 1 và hình 3.<\/strong><\/p>V\u1eady \u0111áp án \u0111úng là Hình 1 và 3<\/strong><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"132","test":"3","date":"2021-09-05 03:53:44","option_type":"txt","len":0},{"id":"7229","post_id":"4661","mon_id":"1158113","chapter_id":"1158130","question":"Trong các hình d\u01b0\u1edbi \u0111ây, có bao nhiêu<\/strong> hình có ba tr\u1ee5c \u0111\u1ed1i x\u1ee9ng?<\/p><svg height=\"170\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_1\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_12\" stroke=\"null\" transform=\"rotate(180 66.67074584960938,68.7266845703125) \"> <path d=\"m66.26409,31.84966c9.2215,-34.78792 45.35163,0 0,44.72732c-45.35163,-44.72732 -9.2215,-79.51524 0,-44.72732z\" fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" 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stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"325.9\" xml:space=\"preserve\" y=\"156.85\">3<\/text> <\/g> <\/svg><\/span><\/p>","options":["2","3","1"],"correct":"3","level":"3","hint":"\u0110\u1ebfm s\u1ed1 hình có ba tr\u1ee5c \u0111\u1ed1i x\u1ee9ng.<\/strong><\/p>","answer":"Xét các hình:<\/p>+ Hình 1 có ba tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/strong><\/p>+ Hình 2 không có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/p>+ Hình 3 có m\u1ed9t tr\u1ee5c \u0111\u1ed1i x\u1ee9ng<\/p><svg height=\"170\" width=\"400\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"402\" 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> <g id=\"svg_12\" stroke=\"null\" transform=\"rotate(180 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8.57557,20.10216l0,4.06125l8.36538,0l-16.73076,16.24501l-16.73078,-16.24501l8.36539,0l0,-4.06125c0,-6.7289 -5.61797,-12.18375 -12.54808,-12.18375l0,0l0,0c-6.93012,0 -12.54808,5.45485 -12.54808,12.18375l0,36.55125l-16.73077,0z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m240.92368,56.02058l0,36.55125l0,0c0,15.70076 -13.10859,28.42875 -29.27886,28.42875l0,0l0,0c-7.76522,0 -15.21242,-2.99517 -20.70328,-8.32659c-5.49084,-5.33142 -8.57557,-12.56239 -8.57557,-20.10216l0,-4.06125l-8.36537,0l16.73076,-16.24501l16.73078,16.24501l-8.3654,0l0,4.06125c0,6.7289 5.61797,12.18375 12.54808,12.18375l0,0l0,0c6.93012,0 12.54808,-5.45485 12.54808,-12.18375l0,-36.55125l16.73078,0z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <g id=\"svg_19\" stroke=\"null\"> <path d=\"m310.27143,51.3099l26.57407,-38.51415l26.57407,38.51415l-26.57407,38.51415l-26.57407,-38.51415z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m284.3455,89.28159l26.57407,-38.51415l26.57407,38.51415l-26.57407,38.51414l-26.57407,-38.51414z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m336.19736,89.28159l26.57407,-38.51415l26.57407,38.51415l-26.57407,38.51414l-26.57407,-38.51414z\" fill=\"none\" fill-opacity=\"null\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"63.9\" xml:space=\"preserve\" y=\"156.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"202.9\" xml:space=\"preserve\" y=\"158.85\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_22\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"330.9\" xml:space=\"preserve\" y=\"158.85\">3<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_23\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"73.9\" x2=\"74\" y1=\"17.85\" y2=\"134.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_24\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" transform=\"rotate(120 63.949996948242195,58.349998474121094) \" x1=\"63.9\" x2=\"64\" y1=\"-0.15\" y2=\"116.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_25\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" transform=\"rotate(-120 85.94999694824219,57.34999847412109) \" x1=\"85.9\" x2=\"86\" y1=\"-1.15\" y2=\"115.85\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_26\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"336.9\" x2=\"337\" y1=\"1.85\" y2=\"134\"><\/line> <\/g> <\/svg><\/span><\/p>Do \u0111ó có 1<\/strong> hình có ba tr\u1ee5c \u0111\u1ed1i x\u1ee9ng.<\/p>V\u1eady \u0111áp án \u0111úng là 1 (ngôi sao mang s\u1ed1 1)<\/strong><\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"132","test":"3","date":"2021-09-05 03:55:18","option_type":"txt","len":0}]}