{"common":{"save":0,"post_id":"4582","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6603","post_id":"4582","mon_id":"1158113","chapter_id":"1158128","question":"<p>Cho các s\u1ed1 nguyên <strong>+3687; 0; -365; -14<\/strong>.<\/p><p>S\u1ed1 \u0111\u1ed1i c\u1ee7a các s\u1ed1 nguyên \u0111ó l\u1ea7n l\u01b0\u1ee3t là:<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/Ro_tao.png\" \/><\/div>","options":["<strong>A. <\/strong>-3687; 0; 365; 14","<strong>B. <\/strong>3687; 0; 365; 14","<strong>C. <\/strong>-3687; 0; -365; -14"],"correct":"1","level":"1","hint":"<p>Mu\u1ed1n tìm s\u1ed1 \u0111\u1ed1i c\u1ee7a m\u1ed9t s\u1ed1 nguyên ta ch\u1ec9 c\u1ea7n \u0111\u1ed5i d\u1ea5u c\u1ee7a s\u1ed1 nguyên \u0111ó.<\/p><p>Riêng \u0111\u1ed1i v\u1edbi s\u1ed1 0, s\u1ed1 \u0111\u1ed1i c\u1ee7a 0 c\u0169ng là 0.<\/p>","answer":"<p>S\u1ed1 \u0111\u1ed1i c\u1ee7a <strong>+3687 là -3687<\/strong><\/p><p>S\u1ed1 \u0111\u1ed1i c\u1ee7a <strong>0 là 0<\/strong><\/p><p>S\u1ed1 \u0111\u1ed1i c\u1ee7a <strong>-365 là 365 (ho\u1eb7c +365)<\/strong><\/p><p>S\u1ed1 \u0111\u1ed1i c\u1ee7a <strong>-14 là 14 (ho\u1eb7c +14)<\/strong><\/p><p>Xét các \u0111áp án <\/p><p><strong>A. <\/strong>-3687; 0; 365; 14 <span style=\"color:#16a085;\">\u0111úng<\/span><\/p><p><strong>B. <\/strong>3687; 0; 365; 14 <span style=\"color:#e74c3c;\">sai<\/span> vì 3687 không ph\u1ea3i là s\u1ed1 \u0111\u1ed1i c\u1ee7a + 3687<\/p><p><strong>C. <\/strong>-3687; 0; -365; -14 <span style=\"color:#e74c3c;\">sai<\/span> vì -365 không ph\u1ea3i là s\u1ed1 \u0111\u1ed1i c\u1ee7a -365; -14 không ph\u1ea3i là s\u1ed1 \u0111\u1ed1i c\u1ee7a -14<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A. -3687; 0; 365; 14<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"3","date":"2021-08-26 13:24:08","option_type":"txt","len":2},{"id":"6604","post_id":"4582","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tìm x, bi\u1ebft <strong>387 - x = -13<\/strong><\/p><p><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/bao-dua-hau.png\" \/><\/p><p>\u0110áp án x = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p>","options":"","correct":["[\"400\"]"],"level":"1","hint":"<p>Tìm x theo quy t\u1eafc n\u1ebfu a - x = b thì x = a - b (v\u1edbi a, b là các s\u1ed1 nguyên)<\/p>","answer":"<p>Ta có:<\/p><p><strong>387 - x = -13<\/strong><\/p><p> x = 387 - (-13)<\/p><p> x = 387 + 13<\/p><p> x = 400<\/p><p>V\u1eady x = 400.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>400<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"132","test":"3","date":"2021-08-26 13:30:17"},{"id":"6606","post_id":"4582","mon_id":"1158113","chapter_id":"1158128","question":"<p>N\u1ebfu x chia h\u1ebft cho -10 thì<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/c6-b9.png\" \/><\/div>","options":["<strong>A.<\/strong> x là m\u1ed9t \u01b0\u1edbc c\u1ee7a -10","<strong>B.<\/strong> x là m\u1ed9t b\u1ed9i c\u1ee7a -10","<strong>C.<\/strong> x = -10"],"correct":"2","level":"1","hint":"<p>N\u1ebfu a chia h\u1ebft cho b thì a là m\u1ed9t b\u1ed9i c\u1ee7a b và b là m\u1ed9t \u01b0\u1edbc c\u1ee7a a.<\/p>","answer":"<p>N\u1ebfu a chia h\u1ebft cho b thì a là m\u1ed9t b\u1ed9i c\u1ee7a b và b là m\u1ed9t \u01b0\u1edbc c\u1ee7a a.<\/p><p>Do \u0111ó n\u1ebfu x chia h\u1ebft cho -10 thì x là m\u1ed9t b\u1ed9i c\u1ee7a -10 và -10 là m\u1ed9t \u01b0\u1edbc c\u1ee7a x. Xét:<\/p><p><strong>A.<\/strong> x là m\u1ed9t \u01b0\u1edbc c\u1ee7a -10 <span style=\"color:#e74c3c;\">sai<\/span><\/p><p><strong>B.<\/strong> x là m\u1ed9t b\u1ed9i c\u1ee7a -10 <span style=\"color:#16a085;\">\u0111úng<\/span><\/p><p><strong>C.<\/strong> x = -10 <span style=\"color:#e74c3c;\">sai <\/span><\/p><p>V\u1eady \u0111áp án \u0111úng là<span style=\"color:#16a085;\"><strong> B. x là m\u1ed9t b\u1ed9i c\u1ee7a -10<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"3","date":"2021-08-26 13:37:19","option_type":"txt","len":2}]}