{"common":{"save":0,"post_id":"6238","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2907","post_id":"6238","mon_id":"1158530","chapter_id":"1158618","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o c&oacute; gi&aacute; tr\u1ecb l\u1edbn nh\u1ea5t?&nbsp;<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/bird1.png\" \/><\/div>","options":["<strong>A. <\/strong>7 x (6 &ndash; 2)","<strong>B. <\/strong>7 x 6 &ndash; 2","<strong>C. <\/strong>(27 + 15) : 3","<strong>D. <\/strong>27 + 15 : 3"],"correct":"2","level":"3","hint":"<p>Trong ngo\u1eb7c&nbsp;&rarr; Nh&acirc;n, chia&nbsp;&rarr; C\u1ed9ng, tr\u1eeb<\/p>","answer":"<p><strong>A.&nbsp;<\/strong>7 x (6 &ndash;&nbsp;2) = 7 x 4 = 28<\/p><p><strong>B.&nbsp;<\/strong>7 x 6 &ndash;&nbsp;2 = 42 &ndash;&nbsp;2 = <span style=\"color:#16a085;\">40<\/span><\/p><p><strong>C. <\/strong>(27 +&nbsp;15) :&nbsp;3 = 42 : 3 = 14<\/p><p><strong>D.&nbsp;<\/strong>27 + 15 : 3 = 27 + 5 = 32<\/p><p>V&igrave; <span style=\"color:#16a085;\">40<\/span> &gt; 32 &gt; 28 &gt; 14 n&ecirc;n bi\u1ec3u th\u1ee9c c&oacute; gi&aacute; tr\u1ecb l\u1edbn nh\u1ea5t l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>B.&nbsp;<\/strong>7 x 6 &ndash;&nbsp;2<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-09-14 07:19:42","option_type":"txt","len":2},{"id":"2908","post_id":"6238","mon_id":"1158530","chapter_id":"1158618","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o c&oacute; gi&aacute; tr\u1ecb nh\u1ecf nh\u1ea5t?&nbsp;<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/cuu.png\" \/><\/div>","options":["<strong>A. <\/strong>7 x (6 &ndash; 2)","<strong>B. <\/strong>7 x 6 &ndash; 2","<strong>C. <\/strong>(27 + 15) : 3","<strong>D. <\/strong>27 + 15 : 3"],"correct":"3","level":"3","hint":"","answer":"<p><strong>A.&nbsp;<\/strong>7 x (6 &ndash;&nbsp;2) = 7 x 4 = 28<\/p><p><strong>B.&nbsp;<\/strong>7 x 6 &ndash;&nbsp;2 = 42 &ndash;&nbsp;2 =&nbsp;40<\/p><p><strong>C.&nbsp;<\/strong>(27 +&nbsp;15) :&nbsp;3 = 42 : 3 = <strong><span style=\"color:#16a085;\">14<\/span><\/strong><\/p><p><strong>D.&nbsp;<\/strong>27 + 15 : 3 = 27 + 5 = 32<\/p><p>V&igrave;&nbsp;40&nbsp;&gt; 32 &gt; 28 &gt;<strong> <span style=\"color:#16a085;\">14<\/span><\/strong> n&ecirc;n bi\u1ec3u th\u1ee9c c&oacute; gi&aacute; tr\u1ecb nh\u1ecf nh\u1ea5t l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>C.&nbsp;<\/strong>(27 + 15) : 3<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-09-14 07:21:34","option_type":"txt","len":2},{"id":"2910","post_id":"6238","mon_id":"1158530","chapter_id":"1158618","question":"<p>Ch\u1ecdn s\u1ed1 l&agrave; gi&aacute; tr\u1ecb c\u1ee7a m\u1ed7i bi\u1ec3u th\u1ee9c.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/co1.png\" \/><\/div>","options":[["(35 &ndash; 15) : 5","35 &ndash; 15 : 5","35 : 5 + 15","(35 &ndash; 5) : 5"],["6","22","32","4"],["4","32","22","6"]],"correct":[3,2,1,0],"level":"3","hint":"","answer":"<p><strong><span style=\"color:#16a085;\">(35&nbsp;&ndash; 15) : 5<\/span><\/strong> = 20 : 5 = <span style=\"color:#16a085;\"><strong>4<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>35&nbsp;&ndash; 15 : 5<\/strong><\/span> = 35&nbsp;&ndash; 3 = <span style=\"color:#16a085;\"><strong>32<\/strong><\/span><\/p><p><strong><span style=\"color:#16a085;\">35 : 5&nbsp;+ 15<\/span><\/strong> = 7 + 15 =<strong><span style=\"color:#16a085;\"> 22<\/span><\/strong><\/p><p><strong><span style=\"color:#16a085;\">(35&nbsp;&ndash; 5) : 5&nbsp;<\/span><\/strong>= 30 : 15 =<strong><span style=\"color:#16a085;\">&nbsp;6<\/span><\/strong><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"1","date":"2022-09-14 07:29:09"}]}