{"common":{"save":0,"post_id":"4781","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8048","post_id":"4781","mon_id":"1158113","chapter_id":"1158119","question":"<p>T&iacute;nh<\/p><p>M =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{2}.\\dfrac{18}{37}.\\dfrac{74}{3}$<\/span><\/p><p>\u0110&aacute;p s\u1ed1:&nbsp; M =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;\/p>","options":"","correct":["[\"6\"]"],"level":"1","hint":"<p>Mu\u1ed1n nh&acirc;n c&aacute;c ph&acirc;n s\u1ed1 v\u1edbi nhau&nbsp;ta nh&acirc;n t\u1eed v\u1edbi t\u1eed, m\u1eabu v\u1edbi m\u1eabu. Ch&uacute; &yacute;&nbsp;ph&acirc;n t&iacute;ch t\u1eed v&agrave; m\u1eabu th&agrave;nh c&aacute;c nh&acirc;n t\u1eed th&iacute;ch h\u1ee3p \u0111\u1ec3 r&uacute;t g\u1ecdn.<\/p>","answer":"<p>M =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{2}.\\dfrac{18}{37}.\\dfrac{74}{3}$<\/span><\/p><p>M =&nbsp;<span class=\"math-tex\">$\\dfrac{1 . 18 . 74}{2.37.3}$<\/span><\/p><p>M =&nbsp;<span class=\"math-tex\">$\\dfrac{3.6.37.2}{2.37.3}$<\/span>&nbsp; &nbsp;(r&uacute;t g\u1ecdn cho 2.3.37)<\/p><p>M =&nbsp;<span class=\"math-tex\">$\\dfrac{6}{1}$<\/span><\/p><p>M = 6<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave;&nbsp; &nbsp;<strong><span style=\"color:#16a085;\">6<\/span><\/strong><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2021-10-02 12:52:32"},{"id":"8050","post_id":"4781","mon_id":"1158113","chapter_id":"1158119","question":"<p>T&igrave;m x bi\u1ebft&nbsp;<\/p><p><span class=\"math-tex\">$\\dfrac{2}{3}$<\/span>&nbsp;. x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{6}$<\/span><\/p>","options":["x = <span class=\"math-tex\">$\\dfrac{17}{4}$<\/span>","x = <span class=\"math-tex\">$\\dfrac{-17}{4}$<\/span>","x = <span class=\"math-tex\">$\\dfrac{13}{6}$<\/span>","x = <span class=\"math-tex\">$\\dfrac{-13}{6}$<\/span>"],"correct":"1","level":"1","hint":"<p>Mu\u1ed1n chia ph&acirc;n s\u1ed1 th\u1ee9 nh\u1ea5t cho ph&acirc;n s\u1ed1 th\u1ee9 hai ta nh&acirc;n ph&acirc;n s\u1ed1 th\u1ee9 nh\u1ea5t v\u1edbi ph&acirc;n s\u1ed1 ngh\u1ecbch \u0111\u1ea3o c\u1ee7a ph&acirc;n s\u1ed1 th\u1ee9 hai.<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{2}{3}$<\/span>&nbsp;. x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{6}$<\/span><\/p><p>&nbsp; &nbsp; &nbsp; x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{6}:\\dfrac{2}{3}$<\/span><\/p><p>&nbsp; &nbsp; &nbsp; x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{6}.\\dfrac{3}{2}$<\/span><\/p><p>&nbsp; &nbsp; &nbsp; x =&nbsp;<span class=\"math-tex\">$\\dfrac{17.3}{6.2}$<\/span><\/p><p>&nbsp; &nbsp; &nbsp; x =&nbsp;<span class=\"math-tex\">$\\dfrac{17.3}{3.2.2}$<\/span>&nbsp; (r&uacute;t g\u1ecdn cho 3)<\/p><p>&nbsp; &nbsp; &nbsp; x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{4}$<\/span><\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\">x =&nbsp;<span class=\"math-tex\">$\\dfrac{17}{4}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-02 12:57:48","option_type":"math","len":0},{"id":"8053","post_id":"4781","mon_id":"1158113","chapter_id":"1158119","question":"<p>T&igrave;m x bi\u1ebft<\/p><p>x .&nbsp;<span class=\"math-tex\">$\\dfrac{17}{4}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{51}{14}$<\/span><\/p>","options":[" x = <span class=\"math-tex\">$\\dfrac{-6}{7}$<\/span>"," x = <span class=\"math-tex\">$\\dfrac{8}{7}$<\/span>"," x = <span class=\"math-tex\">$\\dfrac{-8}{7}$<\/span>"," x = <span class=\"math-tex\">$\\dfrac{6}{7}$<\/span>"],"correct":"4","level":"1","hint":"<p>T&igrave;m th\u1eeba s\u1ed1 ch\u01b0a bi\u1ebft = t&iacute;ch : th\u1eeba s\u1ed1 \u0111&atilde; bi\u1ebft<\/p>","answer":"<p>x .&nbsp;<span class=\"math-tex\">$\\dfrac{17}{4}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{51}{14}$<\/span><\/p><p>x&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{51}{14}:\\dfrac{17}{4}$<\/span><\/p><p>x&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{51}{14}.\\dfrac{4}{17}$<\/span><\/p><p>x&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{3.17}{2.7}.\\dfrac{2.2}{17}$<\/span>&nbsp; (r&uacute;t g\u1ecdn cho 2.17)<\/p><p>x&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{3.2}{7}$<\/span><\/p><p>x&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{6}{7}$<\/span><\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\">&nbsp;x =&nbsp;<span class=\"math-tex\">$\\dfrac{6}{7}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-02 13:04:16","option_type":"math","len":0}]}