Thực hành và trải nghiệm vẽ hai đường thẳng vuông góc

Home Lớp 4 Toán lớp 4 - Sách Kết nối tri thức Bài 28: Thực hành và trải nghiệm vẽ hai đường thẳng vuông gócBài tập nâng cao

{"common":{"save":0,"post_id":"6821","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1018","post_id":"6821","mon_id":"1159012","chapter_id":"1159025","question":"Hình nào có 2 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc?<\/p><svg height=\"250\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"252\" id=\"canvas_background\" width=\"282\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_6\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_13\"> <path d=\"m15.80001,217.15098l0,-82.99999l116.00001,82.99999l-116.00001,0z\" fill=\"#d4aaff\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"41.00001\" xml:space=\"preserve\" y=\"240.81001\">Hình 3<\/text> <\/g> <g id=\"svg_14\"> <path d=\"m170.80001,146.96965l73.00002,-17.6l0,88l-73.00002,0l0,-70.40001z\" fill=\"#aaffaa\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"184.00001\" xml:space=\"preserve\" y=\"240.81001\">Hình 4<\/text> <\/g> <g id=\"svg_15\"> <rect fill=\"#00ffff\" height=\"73\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"102\" x=\"11.00001\" y=\"8.81\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"36.00001\" xml:space=\"preserve\" y=\"104.81001\">Hình 1<\/text> <\/g> <g id=\"svg_16\"> <g id=\"svg_5\" stroke=\"null\"> <line fill=\"none\" id=\"svg_2\" stroke=\"#bf0000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2\" x1=\"154.00001\" x2=\"210.27452\" y1=\"79.81001\" y2=\"79.81001\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#bf0000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2\" x1=\"210.27452\" x2=\"210.27452\" y1=\"10.81\" y2=\"79.81001\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#bf0000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2\" x1=\"259.00001\" x2=\"210.27452\" y1=\"10.81\" y2=\"10.81\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"184.00001\" xml:space=\"preserve\" y=\"104.81001\">Hình 2<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>Hình 1 và hình 2","B. <\/strong>Hình 3 và hình 4","C. <\/strong>Hình 1 và hình 3","D. <\/strong>Hình 2 và hình 4"],"correct":"4","level":"3","hint":"","answer":"Hình 1 có 4<\/strong> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 2 có 2<\/strong><\/span> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 3 có 1<\/strong> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 4 có 2<\/strong><\/span> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Ch\u1ecdn D. <\/strong>Hình 2 và hình 4<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-19 01:08:00","option_type":"txt","len":2},{"id":"1020","post_id":"6821","mon_id":"1159012","chapter_id":"1159025","question":"Hình nào không <\/strong>có c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng nào vuông góc?<\/p><svg height=\"250\" width=\"300\"> <g><title><\/title><rect fill=\"#fff\" height=\"252\" id=\"canvas_background\" width=\"302\" 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=\"#aaff56\" height=\"74\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"74\" x=\"20.00001\" y=\"14.81\"><\/rect> <path d=\"m148.12501,52.64095l73.50001,-31l73.50001,31l-73.50001,31l-73.50001,-31z\" fill=\"#aaffd4\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m12.81001,224.11096l20.625,-71.99999l68.75001,0l20.62499,71.99999l-110,0z\" fill=\"#d4aaff\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m174.08001,223.04093l0,-78l118.00002,78l-118.00002,0z\" fill=\"#ffff56\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"29.00001\" xml:space=\"preserve\" y=\"108.81001\">Hình 1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"190.00001\" xml:space=\"preserve\" y=\"107.81001\">Hình 2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"44.00001\" xml:space=\"preserve\" y=\"243.81001\">Hình 3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"198.00001\" xml:space=\"preserve\" y=\"243.81001\">Hình 4<\/text> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>Hình 1 và hình 2","B. <\/strong>Hình 3 và hình 4","C. <\/strong>Hình 2 và hình 3","D. <\/strong>Hình 2 và hình 4"],"correct":"3","level":"3","hint":"","answer":"Hình 1 có 4<\/strong> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 2 có 0<\/strong><\/span> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 3 có 0<\/strong><\/span> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 4 có 1<\/strong> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình không có<\/strong> c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc là  C. <\/strong>Hình 2 và hình 3<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-19 01:11:03","option_type":"txt","len":2},{"id":"1023","post_id":"6821","mon_id":"1159012","chapter_id":"1159025","question":"Quan sát hình v\u1ebd và cho bi\u1ebft:<\/p><svg height=\"150\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" 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><path d=\"m16.78501,39.43942l19.16778,-18.76846l76.83221,0l0,94l-96,0l0,-75.23155z\" fill=\"#aaaaff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m152.01502,112.56096l0,-92l108.00001,92l-108.00001,0z\" fill=\"#00ffff\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <rect fill=\"#ffffaa\" height=\"93\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"96\" x=\"285.00001\" y=\"20.81001\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"36.00001\" xml:space=\"preserve\" y=\"133.81001\">Hình 1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"163.00001\" xml:space=\"preserve\" y=\"132.81001\">Hình 2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"312.00001\" xml:space=\"preserve\" y=\"131.81001\">Hình 3<\/text> <\/g> <\/svg><\/span><\/p>Hình <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> có 4 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> có 3 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> có 1 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>","options":"","correct":["[\"3\",\"1\",\"2\"]"],"level":"3","hint":"","answer":"Hình 3<\/strong><\/span> có 4 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 1<\/strong><\/span> có 3 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Hình 2<\/strong><\/span> có 1 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng vuông góc.<\/p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là 3; 1; 2<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-10-19 01:16:43"}]}