{"common":{"save":0,"post_id":"4797","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8205","post_id":"4797","mon_id":"1158113","chapter_id":"1158126","question":"<p>S\u1eafp x\u1ebfp c&aacute;c s\u1ed1 sau theo th\u1ee9 t\u1ef1 <strong>gi\u1ea3m d\u1ea7n<\/strong><\/p><p>-5,6&nbsp; ;&nbsp; 2,3&nbsp; ;&nbsp; &nbsp;8,6&nbsp; ;&nbsp; -9,4&nbsp; ;&nbsp; 0 .<\/p>","options":"","correct":["8,6","2,3","0","-5,6","-9,4"],"level":"2","hint":"<p>S\u1ed1 th\u1eadp ph&acirc;n d\u01b0\u01a1ng lu&ocirc;n l\u1edbn h\u01a1n 0.<\/p><p>S\u1ed1 th\u1eadp ph&acirc;n &acirc;m lu&ocirc;n nh\u1ecf h\u01a1n 0.<\/p><p>Trong hai s\u1ed1 th\u1eadp ph&acirc;n &acirc;m, s\u1ed1 n&agrave;o c&oacute; s\u1ed1 \u0111\u1ed1i l\u1edbn h\u01a1n th&igrave; s\u1ed1 \u0111&oacute; nh\u1ecf h\u01a1n.<\/p>","answer":"<p>C&aacute;c s\u1ed1&nbsp; &nbsp;-5,6&nbsp; ;&nbsp; 2,3&nbsp; ;&nbsp; &nbsp;8,6&nbsp; ;&nbsp; -9,4&nbsp; ;&nbsp; 0&nbsp; s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 gi\u1ea3m d\u1ea7n l&agrave;:<\/p><p>8,6 &gt; 2,3 &gt; 0 &gt; -5,6 &gt; -9,4<\/p><p>Do \u0111&oacute; \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<\/p><p><span style=\"color:#16a085;\"><strong>8,6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2,3&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;-5,6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -9,4<\/strong><\/span><\/p>","type":"reorder","extra_type":"number","time":"0","user_id":"131","test":"1","date":"2021-10-04 00:08:52","word":["0","-9,4","8,6","2,3","-5,6"]},{"id":"8207","post_id":"4797","mon_id":"1158113","chapter_id":"1158126","question":"<p>Ch\u1ecdn c&acirc;u <strong>\u0111&uacute;ng<\/strong><\/p>","options":["<strong>A.<\/strong> -2,5 = <span class=\"math-tex\">$\\dfrac{-5}{2}$<\/span>","<strong>B.<\/strong> -4,5 = <span class=\"math-tex\">$\\dfrac{9}{2}$<\/span>","<strong>C.<\/strong> 5,8 = <span class=\"math-tex\">$\\dfrac{29}{10}$<\/span>"],"correct":"1","level":"2","hint":"<p>\u0110\u1ec3 \u0111\u1ed5i t\u1eeb s\u1ed1 th\u1eadp ph&acirc;n sang ph&acirc;n s\u1ed1 ta vi\u1ebft s\u1ed1 th\u1eadp ph&acirc;n th&agrave;nh ph&acirc;n s\u1ed1 th\u1eadp ph&acirc;n t\u01b0\u01a1ng \u1ee9ng r\u1ed3i r&uacute;t g\u1ecdn v\u1ec1 t\u1ed1i gi\u1ea3n n\u1ebfu c&oacute; th\u1ec3.<\/p>","answer":"<p><strong>A.<\/strong> -2,5 =&nbsp;<span class=\"math-tex\">$\\dfrac{-5}{2}$<\/span>&nbsp; (<span style=\"color:#16a085;\">\u0111&uacute;ng <\/span>v&igrave;&nbsp; -2,5 =&nbsp;<span class=\"math-tex\">$\\dfrac{-25}{10}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{-5}{2}$<\/span>&nbsp;)<\/p><p><strong>B.<\/strong> -4,5 =&nbsp;<span class=\"math-tex\">$\\dfrac{9}{2}$<\/span>&nbsp; (<span style=\"color:#c0392b;\">sai<\/span> v&igrave;&nbsp; -4.5 =&nbsp;<span class=\"math-tex\">$\\dfrac{-45}{10}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{-9}{2}$<\/span>&nbsp; )<\/p><p><strong>C.<\/strong> 5,8 =&nbsp;<span class=\"math-tex\">$\\dfrac{29}{10}$<\/span>&nbsp; (<span style=\"color:#c0392b;\">sai <\/span>v&igrave;&nbsp; &nbsp;5,8 =&nbsp;<span class=\"math-tex\">$\\dfrac{58}{10}$<\/span>&nbsp;=<strong>&nbsp;<\/strong><span class=\"math-tex\">$\\dfrac{29}{5}$<\/span><strong>&nbsp;)<\/strong><\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> -2,5 =&nbsp;<span class=\"math-tex\">$\\dfrac{-5}{2}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-04 00:16:00","option_type":"math","len":0},{"id":"8210","post_id":"4797","mon_id":"1158113","chapter_id":"1158126","question":"<p>Ch\u1ecdn c&acirc;u <strong>\u0111&uacute;ng<\/strong><\/p>","options":["<strong>A. <\/strong>-1,25 = <span class=\"math-tex\">$\\dfrac{-5}{8}$<\/span>","<strong>B. <\/strong>2,75 = <span class=\"math-tex\">$\\dfrac{-11}{4}$<\/span>","<strong>C. <\/strong>-4,65 = <span class=\"math-tex\">$\\dfrac{-93}{20}$<\/span>"],"correct":"3","level":"2","hint":"<p>\u0110\u1ec3 \u0111\u1ed5i t\u1eeb s\u1ed1 th\u1eadp ph&acirc;n sang ph&acirc;n s\u1ed1 ta vi\u1ebft s\u1ed1 th\u1eadp ph&acirc;n th&agrave;nh ph&acirc;n s\u1ed1 th\u1eadp ph&acirc;n t\u01b0\u01a1ng \u1ee9ng r\u1ed3i r&uacute;t g\u1ecdn v\u1ec1 t\u1ed1i gi\u1ea3n n\u1ebfu c&oacute; th\u1ec3.<\/p>","answer":"<p><strong>A. <\/strong>-1,25 =&nbsp;<span class=\"math-tex\">$\\dfrac{-5}{8}$<\/span>&nbsp; (<span style=\"color:#c0392b;\">sai <\/span>v&igrave;&nbsp; &nbsp;-1,25 =&nbsp;<span class=\"math-tex\">$\\dfrac{-125}{100}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{-5}{4}$<\/span>&nbsp;)<\/p><p><strong>B. <\/strong>2,75 =&nbsp;<span class=\"math-tex\">$\\dfrac{-11}{4}$<\/span>&nbsp; (<span style=\"color:#c0392b;\">sai <\/span>v&igrave;&nbsp; &nbsp;2,75 =&nbsp;<span class=\"math-tex\">$\\dfrac{275}{100}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{11}{4}$<\/span>&nbsp;)<\/p><p><strong>C. <\/strong>-4,65 =&nbsp;<span class=\"math-tex\">$\\dfrac{-93}{20}$<\/span>&nbsp;(<span style=\"color:#16a085;\">\u0111&uacute;ng <\/span>v&igrave;&nbsp; &nbsp;-4,65 =&nbsp;<span class=\"math-tex\">$\\dfrac{-465}{100}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{-93}{20}$<\/span>&nbsp;)<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span style=\"color:#16a085;\">&nbsp;<strong>C. <\/strong>-4,65 =&nbsp;<span class=\"math-tex\">$\\dfrac{-93}{20}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-04 00:22:33","option_type":"math","len":0}]}