Toán lớp 6 - Sách kết nối tri thức - Đề kiểm tra 45 phút - Toán lớp 6 - Tháng 4 - Số 1

{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"2321","test_id":"383","question":"<p>T&igrave;m x bi\u1ebft:<\/p><p>19x -&nbsp;<span class=\"math-tex\">$\\dfrac{2}{5}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{13}{15}$<\/span><\/p>","options":["x =&nbsp;<span class=\"math-tex\">$\\dfrac{-1}{15}$<\/span>","x =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{15}$<\/span>"],"correct":"2","answer":"<p>19x -&nbsp;<span class=\"math-tex\">$\\dfrac{2}{5}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{13}{15}$<\/span><\/p><p>19x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{13}{15}+\\dfrac{2}{5}$<\/span><\/p><p>19x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{13}{15}+\\dfrac{6}{15}$<\/span><\/p><p>19x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{19}{15}$<\/span><\/p><p>&nbsp; &nbsp; x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{19}{15}:19$<\/span><\/p><p>&nbsp; &nbsp; x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{19}{15}.\\dfrac{1}{19}$<\/span><\/p><p>&nbsp; &nbsp; x&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{15}$<\/span><\/p><p>V\u1eady x =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{15}$<\/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\">$\\dfrac{1}{15}$<\/span><\/span><\/p>","type":"choose","user_id":"131","test":"2","date":"2021-09-28 14:39:29"},{"id":"2323","test_id":"383","question":"<p>T&iacute;nh gi&aacute; tr\u1ecb bi\u1ec3u th\u1ee9c:<\/p><p>M = 2,5 -&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>&nbsp;+ 5,2 +&nbsp;<span class=\"math-tex\">$\\dfrac{3}{9}$<\/span>&nbsp;- 3,7<\/p>","options":["M = 5","M = 4","M = 3","M = 2"],"correct":"2","answer":"<p>M = 2,5 -&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>&nbsp;+ 5,2 +&nbsp;<span class=\"math-tex\">$\\dfrac{3}{9}$<\/span>&nbsp;- 3,7<\/p><p>M = 2,5 + 5,2 - 3,7 -&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>&nbsp;+&nbsp;<span class=\"math-tex\">$\\dfrac{3}{9}$<\/span><\/p><p>M = 7,7 - 3,7 -&nbsp;<span class=\"math-tex\">$\\dfrac{3}{9}$<\/span>&nbsp;+&nbsp;<span class=\"math-tex\">$\\dfrac{3}{9}$<\/span><\/p><p>M = 4&nbsp;<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>M = 4<\/strong><\/span><\/p>","type":"choose","user_id":"131","test":"2","date":"2021-09-28 14:43:57"}]}