{"common":{"save":0,"post_id":"5990","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"830","post_id":"5990","mon_id":"1158530","chapter_id":"1158575","question":"<p>Trong m\u1ed9t cu\u1ed9c thi v\u1eadt tay, c\u1ee9 m\u1ed7i c\u1eb7p \u0111ôi thí sinh thì có \u0111\u1ec1u m\u1ed9t tr\u1ecdng tài \u0111\u1ee9ng bên c\u1ea1nh. Bi\u1ebft r\u1eb1ng trong cu\u1ed9c thi có t\u1ea5t c\u1ea3 8 \u0111ôi thí sinh. H\u1ecfi có t\u1ea5t c\u1ea3 bao nhiêu ng\u01b0\u1eddi c\u1ea3 thí sinh l\u1eabn tr\u1ecdng tài?<\/p><p><span style=\"color:#2980b9;\"><strong>Có t\u1ea5t c\u1ea3 <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> ng\u01b0\u1eddi.<\/strong><\/span><\/p>","options":"","correct":["[\"24\"]"],"level":"3","hint":"<p>Trong cu\u1ed9c thi v\u1eadt tay, có 8 \u0111ôi thí sinh và m\u1ed7i \u0111ôi thì có <u>m\u1ed9t tr\u1ecdng tài<\/u> \u0111\u1ee9ng bên c\u1ea1nh. Nh\u01b0 v\u1eady, trong cu\u1ed9c thi này có t\u1ea5t c\u1ea3 là 8 tr\u1ecdng tài.<\/p>","answer":"<p><u><span style=\"color:#2980b9;\"><strong>Cách 1:<\/strong><\/span><\/u><\/p><p>Có t\u1ea5t c\u1ea3 s\u1ed1 thí sinh d\u1ef1 thi là:<\/p><p>8 x 2 = 16 (ng\u01b0\u1eddi)<\/p><p>Có 8 tr\u1ecdng tài ch\u1ea5m thi cho 8 \u0111ôi thí sinh.<\/p><p>V\u1eady, có t\u1ea5t c\u1ea3 s\u1ed1 thí sinh và tr\u1ecdng tài là:<\/p><p>16 + 8 = 24 (ng\u01b0\u1eddi)<\/p><p>\u0110áp s\u1ed1: 24 ng\u01b0\u1eddi.<\/p><p><u><span style=\"color:#2980b9;\"><strong>Cách 2:<\/strong><\/span><\/u><\/p><p>Trong m\u1ed9t cu\u1ed9c thi v\u1eadt tay, c\u1ee9 <u>m\u1ed7i c\u1eb7p \u0111ôi<\/u> thí sinh thì có \u0111\u1ec1u <u>m\u1ed9t tr\u1ecdng tài<\/u> \u0111\u1ee9ng bên c\u1ea1nh.<\/p><p>Có t\u1ea5t c\u1ea3 s\u1ed1 ng\u01b0\u1eddi là:<\/p><p>( 2 + 1) x 8 = 24 (ng\u01b0\u1eddi) <span style=\"color:#8e44ad;\">(th\u1ef1c hi\u1ec7n phép c\u1ed9ng trong ngo\u1eb7c tr\u01b0\u1edbc, phép nhân sau)<\/span><\/p><p>\u0110áp s\u1ed1 24 ng\u01b0\u1eddi.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"3","date":"2022-06-08 02:37:59"},{"id":"1158","post_id":"5990","mon_id":"1158530","chapter_id":"1158575","question":"<p>Trong m\u1ed9t phòng \u0103n có 7 cái bàn, m\u1ed7i bàn x\u1ebfp 4 cái gh\u1ebf. H\u1ecfi trong phòng \u0103n có t\u1ed5ng c\u1ed9ng t\u1ea5t c\u1ea3 bao nhiêu cái gh\u1ebf ?<\/p><p><span style=\"color:#2980b9;\">Trong phòng \u0103n có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> cái gh\u1ebf.<\/span><\/p>","options":"","correct":["[\"28\"]"],"level":"3","hint":"","answer":"<p>Bài gi\u1ea3i<\/p><p>Trong phòng \u0103n có s\u1ed1 cái gh\u1ebf là:<\/p><p>4 x 7 = 28 (cái gh\u1ebf)<\/p><p>\u0110áp s\u1ed1: 28 cái gh\u1ebf<\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"1","date":"2022-06-12 01:39:02"},{"id":"1159","post_id":"5990","mon_id":"1158530","chapter_id":"1158575","question":"<p>Tính<\/p><p>4 x 8 + 12 = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p>","options":"","correct":["[\"44\"]"],"level":"3","hint":"","answer":"<p>\u0110áp án \u0111úng là : <span style=\"color:#27ae60;\"><strong>44<\/strong><\/span><\/p><p><strong>4 x 8 + 12 = 32 + 12 =<\/strong> <span style=\"color:#27ae60;\"><strong>44<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"3","date":"2022-06-12 01:41:03"}]}