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

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 39: Tìm hai số khi biết hiệu và tỉ số của hai số đóBài tập cơ bản

{"common":{"save":0,"post_id":"8366","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4152","post_id":"8366","mon_id":"1159414","chapter_id":"1159495","question":"Tìm hai s\u1ed1 bi\u1ebft hi\u1ec7u c\u1ee7a hai s\u1ed1 \u0111ó là 20 và t\u1ec9 s\u1ed1 c\u1ee7a hai s\u1ed1 \u0111ó là $\\dfrac{2}{3}$<\/span>.<\/p>","options":["A.<\/strong> 40 và 60","B.<\/strong> 30 và 50","C.<\/strong> 20 và 40","D.<\/strong> 60 và 80"],"correct":"1","level":"1","hint":"","answer":"Ch\u1ecdn A.<\/strong> 40 và 60.<\/span><\/p>Ta có s\u01a1 \u0111\u1ed3 <svg height=\"100\" width=\"200\"> <g><title><\/title><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><title><\/title><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"19\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"2\" xml:space=\"preserve\" y=\"32\">S\u1ed1 l\u1edbn<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"19\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"2\" xml:space=\"preserve\" y=\"75\">S\u1ed1 bé<\/text> <g id=\"svg_6\"> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"66\" x2=\"66\" y1=\"18.25\" y2=\"33.25\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"66\" x2=\"109\" y1=\"25.25\" y2=\"25.25\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"18.25\" y2=\"33.25\"><\/line> <\/g> <g id=\"svg_10\"> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"18.25\" y2=\"33.25\"><\/line> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"152\" y1=\"25.25\" y2=\"25.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"152\" x2=\"152\" y1=\"18.25\" y2=\"33.25\"><\/line> <\/g> <g id=\"svg_14\"> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"66\" x2=\"66\" y1=\"60.25\" y2=\"75.25\"><\/line> <line fill=\"none\" id=\"svg_12\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"66\" x2=\"109\" y1=\"67.25\" y2=\"67.25\"><\/line> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"60.25\" y2=\"75.25\"><\/line> <\/g> <g id=\"svg_18\"> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"60.25\" y2=\"75.25\"><\/line> <line fill=\"none\" id=\"svg_16\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"152\" y1=\"67.25\" y2=\"67.25\"><\/line> <line fill=\"none\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"152\" x2=\"152\" y1=\"60.25\" y2=\"75.25\"><\/line> <\/g> <g id=\"svg_22\"> <line fill=\"none\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"152\" x2=\"152\" y1=\"18.25\" y2=\"33.25\"><\/line> <line fill=\"none\" id=\"svg_20\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"152\" x2=\"195\" y1=\"25.25\" y2=\"25.25\"><\/line> <line fill=\"none\" id=\"svg_21\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"195\" x2=\"195\" y1=\"18.25\" y2=\"33.25\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"19\" id=\"svg_23\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"166\" xml:space=\"preserve\" y=\"72.25\">20<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"19\" id=\"svg_24\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(90 177.43675231933594,47.89868545532229) matrix(1.238742232322693,0,0,2.5245293915518507,-41.93142076855834,-73.4083795544757) \" x=\"173.91481\" xml:space=\"preserve\" y=\"54.5892\">}<\/text> <\/g> <\/svg><\/span>.<\/p>Hi\u1ec7u s\u1ed1 ph\u1ea7n b\u1eb1ng nhau là: 3 – 2 = 1 (ph\u1ea7n)<\/p>S\u1ed1 l\u1edbn là: 20 : 1 x 3 = 60<\/p>S\u1ed1 bé là: 20 : 1 x 2 = 40<\/p>\u0110áp s\u1ed1: s\u1ed1 l\u1edbn là 60, s\u1ed1 bé là 40.<\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:44:09","option_type":"txt","len":2},{"id":"4153","post_id":"8366","mon_id":"1159414","chapter_id":"1159495","question":"Bi\u1ebft hi\u1ec7u c\u1ee7a hai s\u1ed1 là 12 và t\u1ec9 s\u1ed1 c\u1ee7a hai s\u1ed1 \u0111ó là $\\dfrac{7}{5}$<\/span>. Tìm s\u1ed1 l\u1edbn.<\/p>","options":["A.<\/strong> 30","B.<\/strong> 14","C.<\/strong> 84","D.<\/strong> 42"],"correct":"4","level":"1","hint":"","answer":"Ch\u1ecdn D.<\/strong> 42.<\/span><\/p>Ta có s\u01a1 \u0111\u1ed3 <svg height=\"120\" width=\"260\"> <g><title><\/title><rect fill=\"#d4ffaa\" height=\"122\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" 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=\"1\" xml:space=\"preserve\" y=\"32.25\">S\u1ed1 l\u1edbn<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"1\" xml:space=\"preserve\" y=\"90.25\">S\u1ed1 bé<\/text> <g id=\"svg_12\"> <g id=\"svg_7\"> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"57\" x2=\"57\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"57\" x2=\"84\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <g id=\"svg_11\"> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"112\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"113\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <\/g> <g id=\"svg_21\"> <g id=\"svg_16\"> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"113\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_14\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"140\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"141\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <g id=\"svg_20\"> <line fill=\"none\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"141\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_18\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"168\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"169\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <\/g> <g id=\"svg_25\"> <line fill=\"none\" id=\"svg_22\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"169\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_23\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"196\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_24\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"197\" x2=\"197\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <g id=\"svg_29\"> <line fill=\"none\" id=\"svg_26\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"197\" x2=\"197\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_27\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"197\" x2=\"224\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_28\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"225\" x2=\"225\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <g id=\"svg_39\"> <g id=\"svg_34\"> <line fill=\"none\" id=\"svg_31\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"57\" x2=\"57\" y1=\"77.25\" y2=\"92.25\"><\/line> <line fill=\"none\" id=\"svg_32\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"57\" x2=\"84\" y1=\"85.25\" y2=\"85\"><\/line> <line fill=\"none\" id=\"svg_33\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"77.25\" y2=\"92.25\"><\/line> <\/g> <g id=\"svg_38\"> <line fill=\"none\" id=\"svg_35\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"77.25\" y2=\"92.25\"><\/line> <line fill=\"none\" id=\"svg_36\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"112\" y1=\"85.25\" y2=\"85\"><\/line> <line fill=\"none\" id=\"svg_37\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"113\" y1=\"77.25\" y2=\"92.25\"><\/line> <\/g> <\/g> <g id=\"svg_48\"> <g id=\"svg_43\"> <line fill=\"none\" id=\"svg_40\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"113\" y1=\"77.25\" y2=\"92.25\"><\/line> <line fill=\"none\" id=\"svg_41\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"113\" x2=\"140\" y1=\"85.25\" y2=\"85\"><\/line> <line fill=\"none\" id=\"svg_42\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"141\" y1=\"77.25\" y2=\"92.25\"><\/line> <\/g> <g id=\"svg_47\"> <line fill=\"none\" id=\"svg_44\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"141\" y1=\"77.25\" y2=\"92.25\"><\/line> <line fill=\"none\" id=\"svg_45\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"141\" x2=\"168\" y1=\"85.25\" y2=\"85\"><\/line> <line fill=\"none\" id=\"svg_46\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"169\" y1=\"77.25\" y2=\"92.25\"><\/line> <\/g> <\/g> <g id=\"svg_52\"> <line fill=\"none\" id=\"svg_49\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"169\" y1=\"77.25\" y2=\"92.25\"><\/line> <line fill=\"none\" id=\"svg_50\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"169\" x2=\"196\" y1=\"85.25\" y2=\"85\"><\/line> <line fill=\"none\" id=\"svg_51\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"197\" x2=\"197\" y1=\"77.25\" y2=\"92.25\"><\/line> <\/g> <g id=\"svg_56\"> <line fill=\"none\" id=\"svg_53\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"225\" x2=\"225\" y1=\"20.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_54\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"225\" x2=\"252\" y1=\"28.25\" y2=\"28\"><\/line> <line fill=\"none\" id=\"svg_55\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"253\" x2=\"253\" y1=\"20.25\" y2=\"35.25\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_57\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(90 230.2889404296875,47.24757766723635) matrix(2.3157021818644807,0,0,4.317396124205884,-297.02149981279956,-189.7174784436561) \" x=\"225.20532\" xml:space=\"preserve\" y=\"60.08201\">}<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_58\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"216\" xml:space=\"preserve\" y=\"70.25\">12<\/text> <\/g> <\/svg><\/span>.<\/p>Hi\u1ec7u s\u1ed1 ph\u1ea7n b\u1eb1ng nhau là: 7 – 5 = 2 (ph\u1ea7n)<\/p>S\u1ed1 l\u1edbn là: 12 : 2 x 7 = 42<\/p>\u0110áp s\u1ed1: s\u1ed1 l\u1edbn là 42.<\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:47:09","option_type":"txt","len":0},{"id":"4155","post_id":"8366","mon_id":"1159414","chapter_id":"1159495","question":"Bi\u1ebft hi\u1ec7u c\u1ee7a hai s\u1ed1 \u0111ó là 15 và t\u1ec9 s\u1ed1 c\u1ee7a hai s\u1ed1 \u0111ó là $\\dfrac{8}{5}$<\/span>. Tìm s\u1ed1 bé.<\/p>","options":["A.<\/strong> 20","B.<\/strong> 40","C.<\/strong> 25","D.<\/strong> 15"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn C.<\/strong> 25.<\/span><\/p>Ta có s\u01a1 \u0111\u1ed3 <svg height=\"130\" width=\"340\"> <g> <title><\/title> <rect fill=\"#ffd4aa\" height=\"132\" id=\"canvas_background\" width=\"342\" 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=\"18\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"36.25\">S\u1ed1 l\u1edbn<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"98.25\">S\u1ed1 bé<\/text> <g id=\"svg_19\"> <g id=\"svg_6\"> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"64\" x2=\"64\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"64\" x2=\"97\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"97\" x2=\"97\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_10\"> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"97\" x2=\"97\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"97\" x2=\"130\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"130\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_14\"> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"130\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_12\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"163\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"163\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_18\"> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"163\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_16\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"196\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"196\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <\/g> <g id=\"svg_36\" stroke=\"null\"> <g id=\"svg_23\" stroke=\"null\"> <line fill=\"none\" id=\"svg_20\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"196\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_21\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"229\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_22\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"229\" x2=\"229\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_27\" stroke=\"null\"> <line fill=\"none\" id=\"svg_24\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"229\" x2=\"229\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_25\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"229\" x2=\"262\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_26\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"262\" x2=\"262\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_31\" stroke=\"null\"> <line fill=\"none\" id=\"svg_28\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"262\" x2=\"262\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_29\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"262\" x2=\"295\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_30\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"295\" x2=\"295\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <g id=\"svg_35\" stroke=\"null\"> <line fill=\"none\" id=\"svg_32\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"295\" x2=\"295\" y1=\"22.25\" y2=\"38.25\"><\/line> <line fill=\"none\" id=\"svg_33\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"295\" x2=\"328\" y1=\"30.25\" y2=\"30.25\"><\/line> <line fill=\"none\" id=\"svg_34\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"328\" x2=\"328\" y1=\"22.25\" y2=\"38.25\"><\/line> <\/g> <\/g> <g id=\"svg_58\"> <g id=\"svg_40\"> <line fill=\"none\" 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stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"130\" y1=\"81.25\" y2=\"97.25\"><\/line> <\/g> <g id=\"svg_48\"> <line fill=\"none\" id=\"svg_45\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"130\" y1=\"81.25\" y2=\"97.25\"><\/line> <line fill=\"none\" id=\"svg_46\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"130\" x2=\"163\" y1=\"89.25\" y2=\"89.25\"><\/line> <line fill=\"none\" id=\"svg_47\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"163\" y1=\"81.25\" y2=\"97.25\"><\/line> <\/g> <g id=\"svg_52\"> <line fill=\"none\" id=\"svg_49\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"163\" y1=\"81.25\" y2=\"97.25\"><\/line> <line fill=\"none\" id=\"svg_50\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"163\" x2=\"196\" y1=\"89.25\" y2=\"89.25\"><\/line> <line fill=\"none\" id=\"svg_51\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"196\" y1=\"81.25\" y2=\"97.25\"><\/line> <\/g> <g id=\"svg_57\"> <line fill=\"none\" id=\"svg_54\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"196\" y1=\"81.25\" y2=\"97.25\"><\/line> <line fill=\"none\" id=\"svg_55\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"196\" x2=\"229\" y1=\"89.25\" y2=\"89.25\"><\/line> <line fill=\"none\" id=\"svg_56\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"229\" x2=\"229\" y1=\"81.25\" y2=\"97.25\"><\/line> <\/g> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_59\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-90 268.74389648437506,62.250717163085916) matrix(2.010021363728822,0,0,5.891257112533481,-293.7286350338897,-223.2376889760689) \" x=\"276.82732\" xml:space=\"preserve\" y=\"54.70749\">{<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_60\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"268\" xml:space=\"preserve\" y=\"86.25\">15<\/text> <\/g> <\/svg><\/span>.<\/p>Hi\u1ec7u s\u1ed1 ph\u1ea7n b\u1eb1ng nhau là: 8 – 5 = 3 (ph\u1ea7n)<\/p>S\u1ed1 bé là: 15 : 3 x 5 = 25<\/p>\u0110áp s\u1ed1: s\u1ed1 bé là 25.<\/strong><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"0","date":"2025-01-26 09:49:41","option_type":"txt","len":0}]}