{"common":{"save":0,"post_id":"9104","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5050","post_id":"9104","mon_id":"1159414","chapter_id":"1159500","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span style=\"color:#d35400;\"><strong>602 921 + 75 293<\/strong><\/span>.<\/p>","options":["<strong>A.<\/strong> 679 214.","<strong>B.<\/strong> 678 314.","<strong>C.<\/strong> 678 214.","<strong>D.<\/strong> 679 314."],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 678 214.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"150\"> <g><title><\/title><rect fill=\"#aad4ff\" height=\"122\" id=\"canvas_background\" width=\"152\" 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\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"24.65\">602 921<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"49.99999\" xml:space=\"preserve\" y=\"63.65\">75 293<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"109.64999\">678 214<\/text> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"19\" x2=\"129.99999\" y1=\"77\" y2=\"76.65\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"17\" xml:space=\"preserve\" y=\"43.65\">+<\/text> <\/g> <\/svg><\/span><\/p><p>V\u1eady 602 921 + 75 293 = 678 214.<span style=\"color:#d35400;\"><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 09:47:18","option_type":"txt","len":1},{"id":"5052","post_id":"9104","mon_id":"1159414","chapter_id":"1159500","question":"<p>Tính.<\/p><p>816 214 – 305 124 = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>.<\/p>","options":"","correct":["[\"511090\"]"],"level":"1","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"120\" width=\"150\"> <g><title><\/title><rect fill=\"#ffd4aa\" height=\"122\" id=\"canvas_background\" width=\"152\" 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\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"28.65\">816 214<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"67.65\">305 124<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"113.64999\">511 090<\/text> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"23\" x2=\"127.99999\" y1=\"85\" y2=\"84.65\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"16\" x2=\"27\" y1=\"39\" y2=\"38.65001\"><\/line> <\/g> <\/svg><\/span><\/p><p>V\u1eady 816 214 – 305 124 = 511 090.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>511 090<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-04-30 09:50:37"},{"id":"5054","post_id":"9104","mon_id":"1159414","chapter_id":"1159500","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span class=\"math-tex\">$\\dfrac{2}{9}+\\dfrac{3}{5}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{37}{45}$<\/span>.","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{37}{40}$<\/span>.","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{47}{45}$<\/span>.","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{27}{40}$<\/span>."],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{37}{45}$<\/span>.<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{2}{9}+\\dfrac{3}{5}= \\dfrac{10}{45}+\\dfrac{27}{45}=\\dfrac{37}{45}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 09:55:30","option_type":"math","len":0}]}