{"common":{"save":0,"post_id":"4535","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6385","post_id":"4535","mon_id":"1158113","chapter_id":"1158128","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 tr\u1ed1ng:<\/p><p>15 chia h\u1ebft cho 3 vì 15 = 3 . <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p><p>(-27) chia h\u1ebft cho 9 vì -27 = 9 . <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/3-me-con-soc.png\" \/><\/div>","options":"","correct":["[\"5\",\"(-3)\"]"],"level":"1","hint":"<p>Em hãy tìm th\u01b0\u01a1ng c\u1ee7a các phép chia 15 : 3 và -27 : 9<\/p>","answer":"<p>15 chia h\u1ebft cho 3 vì 15 = 3 . <span style=\"color:#16a085;\"><strong>5<\/strong><\/span><\/p><p>- 27 chia h\u1ebft cho 9 vì -27 = 9 . <span style=\"color:#16a085;\"><strong>(-3)<\/strong><\/span><\/p><p>V\u1eady các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là:<strong> <span style=\"color:#16a085;\">5 ; (-3)<\/span><\/strong><\/p>","type":"blank","extra_type":"","time":"0","user_id":"132","test":"3","date":"2021-08-24 02:02:11"},{"id":"6386","post_id":"4535","mon_id":"1158113","chapter_id":"1158128","question":"<p>T\u1eeb <span style=\"color:#3498db;\">36 = 4 . 9 <\/span>ta suy ra \u0111\u01b0\u1ee3c các phép chia h\u1ebft nào sau \u0111ây? (ch\u1ecdn các \u0111áp án \u0111úng)<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small sl\" src=\"\/data\/library\/con-vat\/bird1.png\" \/><\/div>","options":["<strong>A.<\/strong> (-36) : (-4) = 9","<strong>B. <\/strong>36 : (-4) = 9","<strong>C. <\/strong>36 : (-4) = -9","<strong>D. <\/strong>(-36) : 4 = -9"],"correct":"[\"1\",\"3\",\"4\"]","level":"1","hint":"<p>Em hãy ki\u1ec3m tra k\u1ebft qu\u1ea3 c\u1ee7a các phép chia và tìm ra các phép tính có k\u1ebft qu\u1ea3 \u0111úng<\/p>","answer":"<p>T\u1eeb 36 = 4 . 9 ta suy ra \u0111\u01b0\u1ee3c các phép chia h\u1ebft sau: <\/p><p><strong>A.<\/strong> (-36) : (-4) = 9 \u0111úng <\/p><p><strong>B. <\/strong>36 : (-4) = 9 <span style=\"color:#e74c3c;\">sai<\/span> vì 9 . (-4) = -36<\/p><p><strong>C. <\/strong>36 : (-4) = -9 \u0111úng <\/p><p><strong>D. <\/strong>(-36) : 4 = -9 \u0111úng<\/p><p>V\u1eady ch\u1ecdn các \u0111áp án \u0111úng là: <strong><span style=\"color:#16a085;\">A , C , D<\/span><\/strong><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"132","test":"3","date":"2021-08-24 02:13:23","option_type":"txt","len":2},{"id":"6387","post_id":"4535","mon_id":"1158113","chapter_id":"1158128","question":"<p>Tính: <span style=\"color:#3498db;\">(-72) : 8 = ?<\/span><\/p><p><span style=\"color:#3498db;\"><\/span><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/bo2.png\" \/><\/p>","options":["9","-9","7","8"],"correct":"2","level":"1","hint":"<p>Tính 72 : 8 tr\u01b0\u1edbc.<\/p>","answer":"<p>Vì 72 : 8 = 9 nên (-72) : 8 = -9<\/p><p>V\u1eady \u0111áp án \u0111úng là <strong><span style=\"color:#16a085;\">-9<\/span><\/strong><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"132","test":"3","date":"2021-08-24 02:16:58","option_type":"txt","len":0}]}