{"common":{"save":0,"post_id":"4769","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7901","post_id":"4769","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tính: (-45) + (-54) + (-100) = ? <\/p>","options":["199","-199","-119"],"correct":"2","level":"2","hint":"<p>Mu\u1ed1n c\u1ed9ng các s\u1ed1 nguyên âm, ta c\u1ed9ng ph\u1ea7n s\u1ed1 t\u1ef1 nhiên c\u1ee7a chúng v\u1edbi nhau r\u1ed3i \u0111\u1eb7t d\u1ea5u tr\u1eeb tr\u01b0\u1edbc t\u1ed5ng v\u1eeba tìm \u0111\u01b0\u1ee3c.<\/p>","answer":"<p>(-45) + (-54) + (-100)<\/p><p>= - (45 + 54 + 100)<\/p><p>= -199<\/p><p>V\u1eady \u0111áp án \u0111úng là<span style=\"color:#16a085;\"><strong> -199<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-09-30 14:16:37","option_type":"number","len":0},{"id":"7903","post_id":"4769","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tìm k\u1ebft qu\u1ea3 c\u1ee7a phép tính d\u01b0\u1edbi \u0111ây<\/p><p><strong>(-30) - 113 + (-450) = ?<\/strong><\/p>","options":["-539","+593","-593"],"correct":"3","level":"2","hint":"","answer":"<p>(-30) - 113 + (-450)<\/p><p>= (-30) + (-113) + (-450)<\/p><p>= - (30 + 113 + 450)<\/p><p>= -593<\/p><p>V\u1eady \u0111áp án \u0111úng là <b><span style=\"color:#16a085;\">-593<\/span><\/b><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-09-30 14:21:01","option_type":"number","len":0},{"id":"7904","post_id":"4769","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tính giá tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c P khi x = -325<\/p><p><strong>P = 1000 + x <\/strong><\/p>","options":["P = 1325","P = -675","P = 675"],"correct":"3","level":"2","hint":"","answer":"<p>V\u1edbi x = -325 thì <strong>P = 1000 + x = 1000 + (-325) = 1000 - 325 = 675<\/strong><\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>P = 675<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-09-30 14:23:50","option_type":"txt","len":0}]}
