{"common":{"save":0,"post_id":"4814","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8483","post_id":"4814","mon_id":"1158113","chapter_id":"1158117","question":"<p>M\u1ed9t Tr\u01b0\u1eddng trung h\u1ecdc c\u01a1 s\u1edf có 985 h\u1ecdc sinh tham s\u1ef1 l\u1ec5 t\u1ed5ng k\u1ebft cu\u1ed1i n\u0103m. Ban t\u1ed5 ch\u1ee9c \u0111ã chu\u1ea9n b\u1ecb nh\u1eefng chi\u1ebfc gh\u1ebf b\u0103ng 4 ch\u1ed7 ng\u1ed3i. Ph\u1ea3i có ít nh\u1ea5t bao nhiêu gh\u1ebf b\u0103ng nh\u01b0 v\u1eady \u0111\u1ec3 t\u1ea5t c\u1ea3 h\u1ecdc sinh \u0111\u1ec1u có ch\u1ed7 ng\u1ed3i?<\/p>","options":["274 gh\u1ebf b\u0103ng","246 gh\u1ebf b\u0103ng","247 gh\u1ebf b\u0103ng"],"correct":"3","level":"3","hint":"<p>Tìm th\u01b0\u01a1ng và s\u1ed1 d\u01b0 trong phép chia 985 : 4<\/p>","answer":"<p>Vì 985 : 4 = 246 (d\u01b0 1) nên x\u1ebfp \u0111\u1ee7 246 chi\u1ebfc gh\u1ebf và còn th\u1eeba 1 h\u1ecdc sinh và ph\u1ea3i dùng thêm 1 chi\u1ebfc gh\u1ebf \u0111\u1ec3 có ch\u1ed7 cho 1 h\u1ecdc sinh \u0111ó.<\/p><p>V\u1eady c\u1ea7n dùng ít nh\u1ea5t: 246 + 1 = 247 (gh\u1ebf b\u0103ng)<\/p><p>\u0110áp án là <span style=\"color:#16a085;\"><strong>247 gh\u1ebf b\u0103ng<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-05 15:06:09","option_type":"txt","len":1},{"id":"8486","post_id":"4814","mon_id":"1158113","chapter_id":"1158117","question":"<p>Tìm s\u1ed1 t\u1ef1 nhiên x, bi\u1ebft:<\/p><p>2 . x + 297 = 519 + 14<\/p>","options":["x = 181","x = 118","x = 415"],"correct":"2","level":"3","hint":"","answer":"<p>2 . x + 297 = 519 + 14<\/p><p>2 . x + 297 = 533<\/p><p>2 . x = 533 - 297<\/p><p>2 . x = 236<\/p><p> x = 236 : 2<\/p><p> x = 118<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>x = 118<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"132","test":"1","date":"2021-10-06 02:11:39","option_type":"txt","len":0},{"id":"8488","post_id":"4814","mon_id":"1158113","chapter_id":"1158117","question":"<p>M\u1ed9t nhà máy dùng ô tô chuy\u1ec3n 1453 ki\u1ec7n hàng t\u1edbi m\u1ed9t c\u1eeda hàng. N\u1ebfu m\u1ed7i chuy\u1ebfn xe ch\u1edf \u0111\u01b0\u1ee3c 42 ki\u1ec7n thì ph\u1ea3i c\u1ea7n ít nh\u1ea5t bao nhiêu chuy\u1ebfn xe \u0111\u1ec3 chuy\u1ec3n h\u1ebft s\u1ed1 ki\u1ec7n hàng trên?<\/p>","options":["34 chuy\u1ebfn xe","35 chuy\u1ebfn xe","25 chuy\u1ebfn xe"],"correct":"2","level":"3","hint":"<p>Tìm th\u01b0\u01a1ng và s\u1ed1 d\u01b0 trong phép chia 1453 : 42.<\/p>","answer":"<p>Vì 1453 : 42 = 34 (d\u01b0 25) nên n\u1ebfu x\u1ebfp \u0111\u1ee7 34 chuy\u1ebfn xe thì còn d\u01b0 25 ki\u1ec7n hàng.<\/p><p>Do \u0111ó ph\u1ea3i dùng thêm 1 chuy\u1ebfn xe n\u1eefa \u0111\u1ec3 ch\u1edf h\u1ebft 25 ki\u1ec7n hàng còn d\u01b0 \u0111ó.<\/p><p>V\u1eady c\u1ea7n ít nh\u1ea5t s\u1ed1 chuy\u1ebfn xe là: 34 + 1 = 35 (chuy\u1ebfn)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>35 chuy\u1ebfn xe<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-06 02:17:31","option_type":"txt","len":1}]}
