{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"2285","test_id":"381","question":"<p>Vi\u1ebft ph&acirc;n s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng s\u1ed1 th\u1eadp ph&acirc;n?<\/p><p><span class=\"math-tex\">$\\dfrac{39}{75}$<\/span>&nbsp;=&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\" \/&gt;&lt;\/p>","options":"","correct":["0,52"],"answer":"<p>Ta c&oacute;:&nbsp;<span class=\"math-tex\">$\\dfrac{39}{75}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{13}{25}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{13.4}{25.4}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{52}{100}$<\/span>&nbsp;= 0,52<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave; <span style=\"color:#16a085;\"><strong>0,52<\/strong><\/span>.<\/p>","type":"blank","user_id":"131","test":"2","date":"2021-09-28 03:35:45"},{"id":"2287","test_id":"381","question":"<p>Trong c&aacute;c c&acirc;u sau, c&acirc;u n&agrave;o <strong>sai<\/strong>?<\/p><p>&nbsp;<\/p>","options":["S\u1ed1 \u0111\u1ed1i c\u1ee7a 2,3 l&agrave; -2,3","<span class=\"math-tex\">$\\dfrac{-17}{1000}$<\/span>&nbsp;= -0,017","(10,54)<sup>0<\/sup> = 1","L&agrave;m tr&ograve;n 0,99 \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp ph&acirc;n th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c 0,9"],"correct":"4","answer":"<p>X&eacute;t c&aacute;c \u0111&aacute;p &aacute;n:<\/p><p>S\u1ed1 \u0111\u1ed1i c\u1ee7a 2,3 l&agrave; -2,3&nbsp; &nbsp; <span style=\"color:#16a085;\">\u0110&uacute;ng<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{-17}{1000}$<\/span>&nbsp;= -0,017&nbsp; &nbsp; &nbsp;<span style=\"color:#16a085;\">\u0110&uacute;n<\/span><\/p><p>(10,54)<sup>0<\/sup> = 1&nbsp; &nbsp; &nbsp;<span style=\"color:#16a085;\">\u0110&uacute;ng<\/span><\/p><p>L&agrave;m tr&ograve;n 0,99 \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp ph&acirc;n th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c 0,9&nbsp; &nbsp;<span style=\"color:#e74c3c;\">Sai<\/span> v&igrave;&nbsp;l&agrave;m&nbsp;tr&ograve;n 0,99 \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp ph&acirc;n th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c <strong>1,0<\/strong><\/p><p>V\u1eady ch\u1ecdn \u0111&aacute;p &aacute;n&nbsp;<span style=\"color:#16a085;\"><strong>L&agrave;m tr&ograve;n 0,99 \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp ph&acirc;n th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c 0,9<\/strong><\/span><\/p>","type":"choose","user_id":"131","test":"2","date":"2021-09-28 03:41:26"}]}