{"common":{"save":0,"post_id":"4903","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8940","post_id":"4903","mon_id":"1158113","chapter_id":"1158138","question":"<p>T&igrave;m b\u1ed9i chung nh\u1ecf nh\u1ea5t c\u1ee7a 14 , 20 , 25.<\/p>","options":["70","700","100"],"correct":"2","level":"2","hint":"","answer":"<p>14 = 2 . 7<\/p><p>20 = 2<span class=\"math-tex\">$^2$<\/span> . 5<\/p><p>25 = 5<span class=\"math-tex\">$^2$<\/span><\/p><p>Suy ra BCNN(14, 20, 25) = 2<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5<span class=\"math-tex\">$^2$<\/span>&nbsp;. 7&nbsp;= 700<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave; <span style=\"color:#16a085;\"><strong>700<\/strong><\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"132","test":"1","date":"2021-10-10 03:36:18","option_type":"txt","len":0},{"id":"8943","post_id":"4903","mon_id":"1158113","chapter_id":"1158138","question":"<p>T&igrave;m b\u1ed9i chung nh\u1ecf nh\u1ea5t c\u1ee7a 45 , 20.<\/p>","options":["5","180","300"],"correct":"2","level":"2","hint":"","answer":"<p>45 =&nbsp;3<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5<\/p><p>20 = 2<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5<\/p><p>Suy ra BCNN(45, 20) = 2<span class=\"math-tex\">$^2$<\/span>&nbsp;. 3<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5&nbsp;= 180<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>180<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"132","test":"1","date":"2021-10-10 03:40:22","option_type":"txt","len":0},{"id":"8944","post_id":"4903","mon_id":"1158113","chapter_id":"1158138","question":"<p>T&igrave;m b\u1ed9i chung nh\u1ecf nh\u1ea5t c\u1ee7a 60 , 45.<\/p>","options":["180","300","15"],"correct":"1","level":"2","hint":"","answer":"<p>45 =&nbsp;3<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5<\/p><p>60 = 2<span class=\"math-tex\">$^2$<\/span> . 3 . 5<\/p><p>Suy ra BCNN(45, 60) = 2<span class=\"math-tex\">$^2$<\/span>&nbsp;. 3<span class=\"math-tex\">$^2$<\/span>&nbsp;. 5&nbsp;= 180<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>180<\/strong><\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"132","test":"1","date":"2021-10-10 03:42:52","option_type":"txt","len":0}]}