Toán lớp 5 - Đề kiểm tra 45 phút - Toán lớp 5 - Tháng 9 - Số 3

{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"493","test_id":"238","question":"<p>Khi vi\u1ebft c&aacute;c ph&acirc;n s\u1ed1 <span class=\"math-tex\">$\\dfrac{21}{5};\\dfrac{18}{600};\\dfrac{20}{3};\\dfrac{9}{12}$<\/span> th&agrave;nh c&aacute;c ph&acirc;n s\u1ed1 th\u1eadp ph&acirc;n, b\u1ea1n An \u0111&atilde; vi\u1ebft sai m\u1ed9t ph&acirc;n s\u1ed1. \u0110&oacute; l&agrave;:&nbsp;<\/p>","options":["A. <span class=\"math-tex\">$&nbsp;\\dfrac{21}{5}=\\dfrac{42}{10} &nbsp; &nbsp;$<\/span>","B.&nbsp;<span class=\"math-tex\">$ &nbsp; &nbsp; &nbsp; &nbsp; \\dfrac{18}{600}=\\dfrac{3}{100} &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; $<\/span>","C.&nbsp;<span class=\"math-tex\">$\\dfrac{20}{3}=\\dfrac{100}{15} &nbsp; &nbsp; $<\/span>","D.&nbsp;<span class=\"math-tex\">$\\dfrac{9}{12}=\\dfrac{75}{100}&nbsp;$<\/span>"],"correct":"3","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{20}{3}=\\dfrac{100}{15} &nbsp; &nbsp; $<\/span><\/p><p>V&igrave; ph&acirc;n s\u1ed1 th\u1eadp ph&acirc;n l&agrave; ph&acirc;n s\u1ed1 c&oacute;&nbsp;m\u1eabu s\u1ed1 l&agrave; 10, 100, 1000,...<\/p>","type":"choose","user_id":"54","test":"2","date":"2020-03-19 20:00:40"},{"id":"494","test_id":"238","question":"<p><span class=\"math-tex\">$\\dfrac{3}{4}+\\dfrac{5}{6}=?\u00a0$<\/span><\/p>","options":["A. <span class=\"math-tex\">$\\dfrac{19}{12} \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$<\/span>","B.&nbsp;<span class=\"math-tex\">$ \\dfrac{28}{24} \u00a0 \u00a0 \u00a0$<\/span>","C.&nbsp;<span class=\"math-tex\">$ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \\dfrac{8}{10} \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$<\/span>","D.&nbsp;<span class=\"math-tex\">$ \\dfrac{15}{24}\u00a0$<\/span>"],"correct":"1","answer":"<p><span class=\"math-tex\">$\\dfrac{3}{4}+\\dfrac{5}{6}=\\dfrac{9}{12}+\\dfrac{10}{12}=\\dfrac{19}{12}$<\/span><\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave; A<\/p>","type":"choose","user_id":"54","test":"2","date":"2020-03-19 20:03:44"}]}