Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
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{"common":{"save":0,"post_id":"7725","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1998","post_id":"7725","mon_id":"1159414","chapter_id":"1159461","question":"<p>Cho hình v\u1ebd d\u01b0\u1edbi \u0111ây. \u0110\u01b0\u1eddng cao \u1ee9ng v\u1edbi \u0111áy BC là:<\/p><p><span class=\"svgedit\"><svg height=\"160\" width=\"270\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"272\" 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\"> <g id=\"svg_5\" stroke=\"null\"> <path d=\"m76.74321,22.86471l166.62417,111.38072l-221.52346,-0.9439z\" fill=\"#d4ffaa\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <line fill=\"none\" id=\"svg_2\" stroke=\"#ff0000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"77.16219\" x2=\"51.15727\" y1=\"22.95784\" y2=\"133.40258\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#007f00\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"162.88213\" x2=\"77.16219\" y1=\"133.40258\" y2=\"23.89382\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#0000ff\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-width=\"1.5\" x1=\"77.16219\" x2=\"77.16219\" y1=\"22.95784\" y2=\"132.46661\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"62.11479\" xml:space=\"preserve\" y=\"21.45431\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"2.11479\" xml:space=\"preserve\" y=\"147.45431\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"42.11479\" xml:space=\"preserve\" y=\"165.45431\">M<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"71.11479\" xml:space=\"preserve\" y=\"166.45431\">N<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"162.11479\" xml:space=\"preserve\" y=\"166.45431\">K<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#007f00\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9631454348564148,0,0,0.9359723925590514,0.9631452854805929,0.0692797194601269) \" x=\"256.11478\" xml:space=\"preserve\" y=\"145.45431\">C<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> AB","<strong>B.<\/strong> AM","<strong>C.<\/strong> AN","<strong>D.<\/strong> AK"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> AN<\/span><\/p><p>AN vuông góc v\u1edbi \u0111áy BC nên \u0111\u01b0\u1eddng cao \u1ee9ng v\u1edbi \u0111áy BC là <span style=\"color:#16a085;\"><strong>AN<\/strong><\/span>.<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"0","date":"2024-09-26 02:17:07","option_type":"txt","len":0},{"id":"2000","post_id":"7725","mon_id":"1159414","chapter_id":"1159461","question":"<p>Ch\u1ecdn \u0111áp án <strong>\u0111úng<\/strong>. Hình thang có:<\/p>","options":["<strong>A.<\/strong> 1 c\u1eb7p c\u1ea1nh k\u1ec1 song song","<strong>B.<\/strong> 2 c\u1eb7p c\u1ea1nh vuông góc","<strong>C.<\/strong> 1 c\u1eb7p c\u1ea1nh \u0111\u1ed1i song song","<strong>D.<\/strong> 2 góc \u0111\u1ed1i b\u1eb1ng nhau"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 1 c\u1eb7p c\u1ea1nh \u0111\u1ed1i song song<\/span><\/p><p>Hình thang có 1 c\u1eb7p c\u1ea1nh \u0111\u1ed1i song song.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-26 02:18:07","option_type":"txt","len":2},{"id":"2002","post_id":"7725","mon_id":"1159414","chapter_id":"1159461","question":"<p>\u0110\u01b0\u1eddng kính c\u1ee7a \u0111\u01b0\u1eddng tròn tâm A trong hình d\u01b0\u1edbi là bao nhiêu?<\/p><p><span class=\"svgedit\"><svg height=\"172\" width=\"172\"> <g><title><\/title><rect fill=\"#fff\" height=\"174\" id=\"canvas_background\" width=\"174\" 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><ellipse cx=\"86.67999\" cy=\"87.02272\" fill=\"#aaffff\" id=\"svg_1\" rx=\"83\" ry=\"83.5\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"3\" x2=\"171\" y1=\"87.35472\" y2=\"87\"><\/line> <ellipse cx=\"86.99999\" cy=\"87.69072\" fill=\"#bf0000\" id=\"svg_3\" rx=\"3.4\" ry=\"2.672\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <text fill=\"#000000\" 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\" transform=\"matrix(1.3600000143051147,0,0,1.3359999656677246,-10.439999041557257,-9.583633053953236) \" x=\"63.41176\" xml:space=\"preserve\" y=\"60.55865\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.8841657493131905,0,0,1.3359999656677246,5.262529888012573,-9.583633053953236) \" x=\"10.56076\" xml:space=\"preserve\" y=\"89.55865\">1,4 cm<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 0,7 cm","<strong>B.<\/strong> 1,4 cm","<strong>C.<\/strong> 2,6 cm","<strong>D.<\/strong> 2,8 cm"],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 2,8 cm<\/span><\/p><p>\u0110\u01b0\u1eddng kính c\u1ee7a \u0111\u01b0\u1eddng tròn tâm A trong hình d\u01b0\u1edbi là: 1,4 x 2 = 2,8 (cm)<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"0","date":"2024-09-26 02:21:49","option_type":"txt","len":0}]}