Tìm hai số khi biết tổng và tỉ số của hai số đó

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 38. Tìm hai số khi biết tổng và tỉ số của hai số đóBài tập cơ bản

{"common":{"save":0,"post_id":"8363","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4144","post_id":"8363","mon_id":"1159414","chapter_id":"1159495","question":"T\u1ec9 s\u1ed1 c\u1ee7a s\u1ed1 th\u1ee9 nh\u1ea5t và s\u1ed1 th\u1ee9 hai là $\\dfrac{2}{3}$<\/span> thì khi v\u1ebd s\u01a1 \u0111\u1ed3 ta v\u1ebd<\/p>","options":["A.<\/strong> S\u1ed1 th\u1ee9 nh\u1ea5t 2 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 5 ph\u1ea7n.","B.<\/strong> S\u1ed1 th\u1ee9 nh\u1ea5t 2 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 3 ph\u1ea7n.","C.<\/strong> S\u1ed1 th\u1ee9 nh\u1ea5t 3 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 5 ph\u1ea7n.","D.<\/strong> S\u1ed1 th\u1ee9 nh\u1ea5t 3 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 2 ph\u1ea7n."],"correct":"2","level":"1","hint":"V\u1ebd s\u1ed1 th\u1ee9 nh\u1ea5t 2 ph\u1ea7n.<\/p>","answer":"Ch\u1ecdn B.<\/strong> S\u1ed1 th\u1ee9 nh\u1ea5t 2 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 3 ph\u1ea7n.<\/span><\/p>Vì t\u1ec9 s\u1ed1 c\u1ee7a s\u1ed1 th\u1ee9 nh\u1ea5t và s\u1ed1 th\u1ee9 hai là $\\dfrac{2}{3}$<\/span> nên ta có s\u01a1 \u0111\u1ed3<\/p><svg height=\"110\" width=\"300\"> <g> <title><\/title> <rect fill=\"#ffd4aa\" height=\"112\" id=\"canvas_background\" width=\"302\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_18\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> <title><\/title> <g id=\"svg_17\"> <g id=\"svg_4\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"129\" x2=\"183\" y1=\"32.25\" y2=\"32.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"126\" xml:space=\"preserve\" y=\"39.25\">|<\/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=\"179\" xml:space=\"preserve\" y=\"39.25\">|<\/text> <\/g> <g id=\"svg_8\"> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"129\" x2=\"183\" y1=\"32.25\" y2=\"32.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"126\" xml:space=\"preserve\" y=\"39.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"179\" xml:space=\"preserve\" y=\"39.25\">|<\/text> <\/g> <g id=\"svg_12\"> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"182\" x2=\"236\" y1=\"32.25\" y2=\"32.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"179\" xml:space=\"preserve\" y=\"39.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"232\" xml:space=\"preserve\" y=\"39.25\">|<\/text> <\/g> <\/g> <g id=\"svg_19\"> <g id=\"svg_16\"> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"235\" x2=\"289\" y1=\"78.25\" y2=\"78.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"232\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"285\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <\/g> <g id=\"svg_38\"> <g id=\"svg_29\"> <line fill=\"none\" id=\"svg_26\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"129\" x2=\"183\" y1=\"78.25\" y2=\"78.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"126\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"179\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <\/g> <g id=\"svg_33\"> <line fill=\"none\" id=\"svg_30\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"129\" x2=\"183\" y1=\"78.25\" y2=\"78.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"126\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"179\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <\/g> <g id=\"svg_37\"> <line fill=\"none\" id=\"svg_34\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"182\" x2=\"236\" y1=\"78.25\" y2=\"78.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_35\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"179\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_36\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"232\" xml:space=\"preserve\" y=\"85.25\">|<\/text> <\/g> <\/g> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"14\" xml:space=\"preserve\" y=\"38.25\">S\u1ed1 th\u1ee9 nh\u1ea5t<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14\" xml:space=\"preserve\" y=\"84.25\">S\u1ed1 th\u1ee9 hai<\/text> <\/g> <\/svg><\/span><\/p>V\u1eady ta v\u1ebd s\u1ed1 th\u1ee9 nh\u1ea5t 2 ph\u1ea7n, s\u1ed1 th\u1ee9 hai 3 ph\u1ea7n.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:15:02","option_type":"txt","len":2},{"id":"4146","post_id":"8363","mon_id":"1159414","chapter_id":"1159495","question":"N\u1ebfu t\u1ec9 s\u1ed1 c\u1ee7a s\u1ed1 hoa \u0111i\u1ec3m 10 c\u1ee7a hai b\u1ea1n Nam và Lan là $\\dfrac{3}{4}$<\/span> thì s\u01a1 \u0111\u1ed3 nào d\u01b0\u1edbi \u0111ây là \u0111úng?<\/p>","options":["A.<\/strong> <svg height=\"100\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#ffaaaa\" height=\"102\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_35\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"32.25\">Nam<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"77.25\">Lan<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_26\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_30\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_18\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"135\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <\/g> <\/svg><\/span>","B.<\/strong> <svg height=\"100\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#d4ffaa\" height=\"102\" id=\"canvas_background\" width=\"202\" 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>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"32.25\">Nam<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"77.25\">Lan<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_18\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"135\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_26\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_30\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_34\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_33\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"135\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <\/g> <\/svg><\/span>","C.<\/strong> <svg height=\"100\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#ffaad4\" height=\"102\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_35\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"32.25\">Nam<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"77.25\">Lan<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_26\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_30\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <\/g> <\/svg><\/span>","D.<\/strong> <svg height=\"100\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#aaffd4\" height=\"102\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_35\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"32.25\">Nam<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"77.25\">Lan<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_18\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"135\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_26\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_30\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <\/g> <\/svg><\/span>"],"correct":"1","level":"1","hint":"T\u1ec9 s\u1ed1 c\u1ee7a s\u1ed1 hoa \u0111i\u1ec3m 10 c\u1ee7a hai b\u1ea1n Nam và Lan là $\\dfrac{3}{4}$<\/span> nên ta v\u1ebd Nam 3 ph\u1ea7n.<\/p>","answer":"Ch\u1ecdn A.<\/strong><\/span> <svg height=\"100\" width=\"200\"> <g> <title><\/title> <rect fill=\"#ffaaaa\" height=\"102\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_35\" 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=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"32.25\">Nam<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"10\" xml:space=\"preserve\" y=\"77.25\">Lan<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"24.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_26\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"78\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"81\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_30\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"97\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"100\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <g id=\"svg_18\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"116\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"119\" xml:space=\"preserve\" y=\"70.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"135\" xml:space=\"preserve\" y=\"77.25\">|<\/text> <\/g> <\/g> <\/svg><\/span>.<\/p>Vì t\u1ec9 s\u1ed1 c\u1ee7a s\u1ed1 hoa \u0111i\u1ec3m 10 c\u1ee7a hai b\u1ea1n Nam và Lan là $\\dfrac{3}{4}$<\/span> nên ta v\u1ebd Nam 3 ph\u1ea7n và Lan 4 ph\u1ea7n.<\/p>","type":"choose_img","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:23:32"},{"id":"4150","post_id":"8363","mon_id":"1159414","chapter_id":"1159495","question":"Trong \u0111\u1ee3t quyên góp sách cho th\u01b0 vi\u1ec7n, t\u1ed5ng s\u1ed1 sách mà l\u1edbp 5A và l\u1edbp 5B quyên góp \u0111\u01b0\u1ee3c là 75 quy\u1ec3n. Bi\u1ebft t\u1ec9 s\u1ed1 sách c\u1ee7a l\u1edbp 5A và l\u1edbp 5B là $\\dfrac{3}{2}$<\/span>. H\u1ecfi s\u1ed1 sách c\u1ee7a l\u1edbp 5A \u0111ã quyên góp là bao nhiêu?<\/p>","options":["A.<\/strong> 20 quy\u1ec3n","B.<\/strong> 25 quy\u1ec3n","C.<\/strong> 45 quy\u1ec3n","D.<\/strong> 30 quy\u1ec3n"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn C.<\/strong> 45 quy\u1ec3n.<\/span><\/p>Ta có s\u01a1 \u0111\u1ed3 <svg height=\"100\" width=\"250\"> <g> <title><\/title> <rect fill=\"#d4ffaa\" height=\"102\" id=\"canvas_background\" width=\"252\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_23\" 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=\"18\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6\" xml:space=\"preserve\" y=\"34.25\">L\u1edbp 5A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6\" xml:space=\"preserve\" y=\"77.25\">L\u1edbp 5B<\/text> <g id=\"svg_6\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"82\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"85\" xml:space=\"preserve\" y=\"23.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"103\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_10\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"103\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"106\" xml:space=\"preserve\" y=\"23.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"124\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_14\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"124\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"127\" xml:space=\"preserve\" y=\"23.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"145\" xml:space=\"preserve\" y=\"31.25\">|<\/text> <\/g> <g id=\"svg_18\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"82\" xml:space=\"preserve\" y=\"75.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"85\" xml:space=\"preserve\" y=\"67.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"103\" xml:space=\"preserve\" y=\"75.25\">|<\/text> <\/g> <g id=\"svg_22\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"103\" xml:space=\"preserve\" y=\"75.25\">|<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"106\" xml:space=\"preserve\" y=\"67.25\">__<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"124\" xml:space=\"preserve\" y=\"75.25\">|<\/text> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"40\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(1.0093257940633935,0,0,1.4274816310638252,-1.2304538595701828,-18.04831153857679) \" x=\"150.99076\" xml:space=\"preserve\" y=\"56.44787\">}<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_28\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"170\" xml:space=\"preserve\" y=\"53.25\">75 quy\u1ec3n<\/text> <path fill=\"#fff\" id=\"svg_26\" stroke=\"#000\" stroke-dasharray=\"2,2\" stroke-width=\"1.5\"><\/path> <\/g> <\/svg><\/span>.<\/p>T\u1ed5ng s\u1ed1 ph\u1ea7n b\u1eb1ng nhau là 3 + 2 = 5 (ph\u1ea7n).<\/p>S\u1ed1 sách l\u1edbp 5A quyên góp là 75 : 5 x 3 = 45 (quy\u1ec3n).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:38:39","option_type":"txt","len":1}]}