{"common":{"save":0,"post_id":"4788","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8124","post_id":"4788","mon_id":"1158113","chapter_id":"1158119","question":"<p>So s&aacute;nh (\u0111i\u1ec1n d\u1ea5u &gt; , &lt; , = )<\/p><p><span class=\"math-tex\">$\\dfrac{7}{12}$<\/span>&nbsp;c\u1ee7a&nbsp; 24&nbsp;&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{6}$<\/span>&nbsp; c\u1ee7a 12<\/p>","options":"","correct":["[\"=\"]"],"level":"2","hint":"<p>Mu\u1ed1n t&igrave;m&nbsp;<span class=\"math-tex\">$\\dfrac{m}{n}$<\/span>&nbsp;c\u1ee7a s\u1ed1 a ta t&iacute;nh&nbsp;<span class=\"math-tex\">$a . \\dfrac{m}{n}$<\/span>&nbsp;.<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{7}{12}$<\/span>&nbsp;c\u1ee7a&nbsp; 24&nbsp; l&agrave;&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{12}$<\/span>&nbsp;. 24 = 14<\/p><p><span class=\"math-tex\">$\\dfrac{7}{6}$<\/span>&nbsp; c\u1ee7a 12&nbsp; l&agrave;&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{6}$<\/span>&nbsp;. 12 = 14<\/p><p>Suy ra&nbsp; &nbsp;<span class=\"math-tex\">$\\dfrac{7}{12}$<\/span>&nbsp;c\u1ee7a&nbsp; 24&nbsp;&nbsp;<span style=\"color:#16a085;\">=<\/span>&nbsp;&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{6}$<\/span>&nbsp; c\u1ee7a 12&nbsp; (v&igrave; 14 = 14)<\/p><p>D\u1ea5u c\u1ea7n \u0111i\u1ec1n l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>=&nbsp;<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2021-10-03 03:37:07"},{"id":"8126","post_id":"4788","mon_id":"1158113","chapter_id":"1158119","question":"<p>So s&aacute;nh M v\u1edbi 1 bi\u1ebft&nbsp;<\/p><p><span class=\"math-tex\">$\\dfrac{7}{9}$<\/span>&nbsp; c\u1ee7a M b\u1eb1ng&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{14}{3}$<\/span><\/p>","options":["M &gt; 1","M &lt; 1","M = 1"],"correct":"1","level":"2","hint":"<p>Mu\u1ed1n t&igrave;m m\u1ed9t s\u1ed1 khi bi\u1ebft&nbsp;<span class=\"math-tex\">$\\dfrac{m}{n}$<\/span>&nbsp;c\u1ee7a s\u1ed1 \u0111&oacute; l&agrave; a, ta t&iacute;nh a :&nbsp;<span class=\"math-tex\">$\\dfrac{m}{n}$<\/span><\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{7}{9}$<\/span>&nbsp; c\u1ee7a M b\u1eb1ng&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{14}{3}$<\/span>&nbsp; n&ecirc;n&nbsp; M =&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{14}{3}$<\/span>&nbsp;<strong>:<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{7}{9}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{14}{3}$<\/span>&nbsp;.&nbsp;<span class=\"math-tex\">$\\dfrac{9}{7}$<\/span>&nbsp;= 6 &gt; 1<\/p><p>V\u1eady M &gt; 1<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong> M &gt; 1<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-03 03:41:19","option_type":"txt","len":0},{"id":"8128","post_id":"4788","mon_id":"1158113","chapter_id":"1158119","question":"<p>T&igrave;m m\u1ed9t s\u1ed1 bi\u1ebft&nbsp;<span class=\"math-tex\">$2\\dfrac{1}{2}$<\/span>&nbsp;c\u1ee7a s\u1ed1 \u0111&oacute; b\u1eb1ng 75<\/p>","options":["30","-30","40","-40"],"correct":"1","level":"2","hint":"<p>Mu\u1ed1n t&igrave;m m\u1ed9t s\u1ed1 khi bi\u1ebft&nbsp;<span class=\"math-tex\">$\\dfrac{m}{n}$<\/span>&nbsp;c\u1ee7a s\u1ed1 \u0111&oacute; l&agrave; a, ta t&iacute;nh a :&nbsp;<span class=\"math-tex\">$\\dfrac{m}{n}$<\/span><\/p>","answer":"<p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$2\\dfrac{1}{2}=\\dfrac{5}{2}$<\/span><\/p><p>V&igrave;&nbsp;&nbsp;<span class=\"math-tex\">$2\\dfrac{1}{2}$<\/span>&nbsp;c\u1ee7a s\u1ed1 \u0111&oacute; b\u1eb1ng 75 n&ecirc;n s\u1ed1 \u0111&oacute; l&agrave;&nbsp; 75 :&nbsp;<span class=\"math-tex\">$\\dfrac{5}{2}$<\/span>&nbsp;= 75 .&nbsp;<span class=\"math-tex\">$\\dfrac{2}{5}$<\/span>&nbsp;= 30<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>30<\/strong><\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"1","date":"2021-10-03 03:44:03","option_type":"txt","len":0}]}