{"common":{"save":0,"post_id":"4778","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8021","post_id":"4778","mon_id":"1158113","chapter_id":"1158128","question":"<p>Th\u1ef1c hi\u1ec7n phép chia<\/p><p>1024 : (-16) = ?<\/p>","options":["-64 ","64","65"],"correct":"1","level":"1","hint":"<p>Tính 1024 : 16 r\u1ed3i suy ra k\u1ebft qu\u1ea3 c\u1ee7a 1024 : (-16)<\/p>","answer":"<p>Vì 1024 : 16 = 64 nên 1024 : (-16) = (-64)<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>-64<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-02 11:28:04","option_type":"txt","len":0},{"id":"8023","post_id":"4778","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tìm t\u1ea5t c\u1ea3 các \u01b0\u1edbc c\u1ee7a 15.<\/p>","options":["1; 3; 5; 15","-1; -3; -5; -15","<span class=\"math-tex\">$\\pm$<\/span>1; <span class=\"math-tex\">$\\pm$<\/span>3; <span class=\"math-tex\">$\\pm$<\/span>5; <span class=\"math-tex\">$\\pm$<\/span>15"],"correct":"3","level":"1","hint":"<p>Hãy tìm các \u01b0\u1edbc d\u01b0\u01a1ng c\u1ee7a 15 sau \u0111ó tìm t\u1ea5t c\u1ea3 các \u01b0\u1edbc c\u1ee7a 15.<\/p>","answer":"<p>Ta có các \u01b0\u1edbc d\u01b0\u01a1ng c\u1ee7a 15 là 1; 3; 5; 15<\/p><p>Nên t\u1ea5t c\u1ea3 các \u01b0\u1edbc c\u1ee7a 15 là <strong>-15; -5; -3; -1; 1; 3; 5; 15<\/strong> (vi\u1ebft g\u1ecdn là <span class=\"math-tex\">$\\pm$<\/span>1; <span class=\"math-tex\">$\\pm$<\/span>3; <span class=\"math-tex\">$\\pm$<\/span>5; <span class=\"math-tex\">$\\pm$<\/span>15)<\/p><p>V\u1eady \u0111áp án \u0111úng là<span style=\"color:#16a085;\"><strong> \u200b\u200b\u200b\u200b\u200b\u200b\u200b<span class=\"math-tex\">$\\pm$<\/span>1; <span class=\"math-tex\">$\\pm$<\/span>3; <span class=\"math-tex\">$\\pm$<\/span>5; <span class=\"math-tex\">$\\pm$<\/span>15<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-02 11:33:30","option_type":"math","len":0},{"id":"8024","post_id":"4778","mon_id":"1158113","chapter_id":"1158128","question":"<p>Vì -341 chia h\u1ebft cho 11 nên ta nói:<\/p>","options":["-341 là m\u1ed9t \u01b0\u1edbc c\u1ee7a 11 và 11 là m\u1ed9t b\u1ed9i c\u1ee7a -341","-341 là m\u1ed9t b\u1ed9i c\u1ee7a 11 và 11 là m\u1ed9t \u01b0\u1edbc c\u1ee7a -341"],"correct":"2","level":"1","hint":"<p><strong>a chia h\u1ebft cho b<\/strong> thì ta nói:<\/p><p>+ a là m\u1ed9t b\u1ed9i c\u1ee7a b<\/p><p>+ b là m\u1ed9t \u01b0\u1edbc c\u1ee7a a.<\/p>","answer":"<p>Vì -341 chia h\u1ebft cho 11 nên ta nói <strong>-341 là m\u1ed9t b\u1ed9i c\u1ee7a 11 và 11 là m\u1ed9t \u01b0\u1edbc c\u1ee7a -341<\/strong><\/p><p>V\u1eady \u0111áp án \u0111úng là<span style=\"color:#16a085;\"><strong> -341 là m\u1ed9t b\u1ed9i c\u1ee7a 11 và 11 là m\u1ed9t \u01b0\u1edbc c\u1ee7a -341<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-02 11:38:27","option_type":"txt","len":3}]}