{"common":{"save":0,"post_id":"8829","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4756","post_id":"8829","mon_id":"1159414","chapter_id":"1159498","question":"<p>Tính <span style=\"color:#27ae60;\"><strong>7 gi\u1edd 18 phút : 6 =<\/strong><\/span> ?<\/p>","options":["<strong>A.<\/strong> 1 gi\u1edd 15 phút.","<strong>B.<\/strong> 1 gi\u1edd 13 phút.","<strong>C.<\/strong> 1 gi\u1edd 3 phút.","<strong>D.<\/strong> 2 gi\u1edd 13 phút."],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 1 gi\u1edd 13 phút.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"160\" width=\"260\"> <g> <title><\/title> <rect fill=\"#ffffaa\" height=\"162\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_5\" 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=\"132\" x2=\"132\" y1=\"-0.86111\" y2=\"93.13889\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"132\" x2=\"260\" y1=\"31.13889\" y2=\"31.13889\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"4\" xml:space=\"preserve\" y=\"24.13889\">7 gi\u1edd 18 phút<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"142\" xml:space=\"preserve\" y=\"24.13889\">6<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"138\" xml:space=\"preserve\" y=\"61.13889\">1 gi\u1edd 13 phút<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"4\" xml:space=\"preserve\" y=\"57.13889\">1 gi\u1edd 18 phút<\/text> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"0\" x2=\"124\" y1=\"68\" y2=\"68.13889\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"55\" xml:space=\"preserve\" y=\"93.13889\">78 phút<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"55\" xml:space=\"preserve\" y=\"124.13889\">18<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"63\" xml:space=\"preserve\" y=\"156.13889\">0<\/text> <\/g> <\/svg><\/span><\/p><p>V\u1eady 7 gi\u1edd 18 phút : 6 = 1 gi\u1edd 13 phút.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 09:05:46","option_type":"txt","len":2},{"id":"4758","post_id":"8829","mon_id":"1159414","chapter_id":"1159498","question":"<p>Tính <span style=\"color:#e74c3c;\"><strong>20 gi\u1edd 30 phút x 9 =<\/strong><\/span> ?<\/p>","options":["<strong>A.<\/strong> 180 gi\u1edd 30 phút.","<strong>B.<\/strong> 184 gi\u1edd 40 phút.","<strong>C.<\/strong> 184 gi\u1edd 30 phút.","<strong>D.<\/strong> 180 gi\u1edd 34 phút."],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 184 gi\u1edd 30 phút.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"110\" width=\"160\"> <g> <title><\/title> <rect fill=\"#ffaaaa\" height=\"112\" id=\"canvas_background\" width=\"162\" 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> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"20\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"33.27778\" xml:space=\"preserve\" y=\"22.91666\">20 gi\u1edd 30 phút<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"140.27778\" xml:space=\"preserve\" y=\"54.91666\">9<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"13.27778\" xml:space=\"preserve\" y=\"93\">180 gi\u1edd 270 phút<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"8.27777\" x2=\"154.27778\" y1=\"68\" y2=\"68.91666\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"13.27778\" xml:space=\"preserve\" y=\"40.91666\">x<\/text> <\/g> <\/svg><\/span><\/p><p>180 gi\u1edd 270 phút = 184 gi\u1edd 30 phút (270 phút = 4 gi\u1edd 30 phút).<\/p><p>V\u1eady 20 gi\u1edd 30 phút x 9 = 184 gi\u1edd 30 phút.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 09:08:17","option_type":"txt","len":2},{"id":"4759","post_id":"8829","mon_id":"1159414","chapter_id":"1159498","question":"<p>Mai làm 8 bài t\u1eadp toán h\u1ebft 1 gi\u1edd 16 phút. H\u1ecfi trung bình m\u1ed7i bài t\u1eadp Mai làm trong bao lâu?<\/p>","options":["<strong>A.<\/strong> 9 phút.","<strong>B.<\/strong> 8,5 phút.","<strong>C.<\/strong> 9 phút 30 giây.","<strong>D.<\/strong> 8 phút 50 giây."],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 9 phút 30 giây.<\/span><\/p><p>\u0110\u1ed5i: 1 gi\u1edd 16 phút = 76 phút.<\/p><p>76 : 8 = 9,5 phút = 9 phút 30 giây.<\/p><p>V\u1eady trung bình m\u1ed7i bài t\u1eadp Mai làm trong 9 phút 30 giây.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 09:13:23","option_type":"txt","len":2}]}