{"common":{"save":0,"post_id":"6839","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1716","post_id":"6839","mon_id":"1159012","chapter_id":"1159026","question":"<p>Tính b\u1eb1ng cách thu\u1eadn ti\u1ec7n.<\/p><p>8637 + 3942 + 1363 + 1058<\/p>","options":["<strong>A.<\/strong> 15 000","<strong>B.<\/strong> 16 000","<strong>C.<\/strong> 15 500","<strong>D.<\/strong> 14 000"],"correct":"1","level":"3","hint":"","answer":"<p>8637 + 3942 + 1363 + 1058<\/p><p>= (8637 + 1363) + (3942 + 1058)<\/p><p>= 10 000 + 5000<\/p><p>= 15 000<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 15 000<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-29 03:02:41","option_type":"txt","len":0},{"id":"1719","post_id":"6839","mon_id":"1159012","chapter_id":"1159026","question":"<p>Hai s\u1ed1 ch\u1eb5n liên ti\u1ebfp có t\u1ed5ng là 630. Tìm hai s\u1ed1 \u0111ó.<\/p>","options":["<strong>A.<\/strong> 326 và 324","<strong>B.<\/strong> 316 và 314","<strong>C.<\/strong> 306 và 304","<strong>D.<\/strong> 315 và 317"],"correct":"2","level":"3","hint":"<p>Hai s\u1ed1 ch\u1eb5n liên ti\u1ebfp h\u01a1n kém nhau 2 \u0111\u01a1n v\u1ecb. Ta có, hi\u1ec7u c\u1ee7a hai s\u1ed1 ch\u1eb5n liên ti\u1ebfp là 2 và có t\u1ed5ng là 630.<\/p>","answer":"<p>Hi\u1ec7u c\u1ee7a hai s\u1ed1 ch\u1eb5n liên ti\u1ebfp là 2 và có t\u1ed5ng là 630 nên:<\/p><p>S\u1ed1 l\u1edbn là:<\/p><p>(630 + 2) : 2 = 316<\/p><p>S\u1ed1 bé là:<\/p><p>316 – 2 = 314<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 316 và 314<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-29 03:07:51","option_type":"txt","len":2},{"id":"1722","post_id":"6839","mon_id":"1159012","chapter_id":"1159026","question":"<p>Giá c\u1ee7a m\u1ed9t chi\u1ebfc xe h\u01a1i \u0111\u1ed3 ch\u01a1i là 75 000 \u0111\u1ed3ng, giá c\u1ee7a m\u1ed9t con rô-b\u1ed1t h\u01a1n giá c\u1ee7a xe h\u01a1i là 13 000 \u0111\u1ed3ng. B\u1ea1n An mua m\u1ed9t con rô-b\u1ed1t và m\u1ed9t chi\u1ebfc xe h\u01a1i \u0111\u1ed3 ch\u01a1i, h\u1ecfi b\u1ea1n An ph\u1ea3i tr\u1ea3 bao nhiêu ti\u1ec1n cho ng\u01b0\u1eddi bán hàng?<\/p>","options":["<strong>A.<\/strong> 153 000 \u0111\u1ed3ng","<strong>B.<\/strong> 163 000 \u0111\u1ed3ng","<strong>C.<\/strong> 162 000 \u0111\u1ed3ng","<strong>D.<\/strong> 173 000 \u0111\u1ed3ng"],"correct":"2","level":"3","hint":"","answer":"<p>Giá c\u1ee7a m\u1ed9t con rô-b\u1ed1t là:<\/p><p>75 000 + 13 000 = 88 000 (\u0111\u1ed3ng)<\/p><p>S\u1ed1 ti\u1ec1n b\u1ea1n An ph\u1ea3i tr\u1ea3 là:<\/p><p>75 000 + 88 000 = 163 000 (\u0111\u1ed3ng)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 163 000 \u0111\u1ed3ng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-29 03:13:01","option_type":"txt","len":1}]}
