Toán lớp 6 - Sách kết nối tri thức - Đề kiểm tra 15 phút - Toán lớp 6 - Tháng 10 - Số 2

{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"2024","test_id":"359","question":"<p>B\u1ed9i&nbsp;chung nh\u1ecf&nbsp;nh\u1ea5t c\u1ee7a 120 v&agrave; 150 l&agrave; bao nhi&ecirc;u?<\/p>","options":["600","300","450"],"correct":"1","answer":"<p>Ta c&oacute;:<\/p><p>120 = 2<sup>3<\/sup>&nbsp;. 3 . 5<\/p><p>150 = 2 . 3 . 5<sup>2<\/sup><\/p><p>Suy ra BCNN(120, 150) =&nbsp;2<sup>3<\/sup>&nbsp;. 3 . 5<sup>2<\/sup>&nbsp;= 600<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave; <strong>600<\/strong>.<\/p>","type":"choose","user_id":"132","test":"2","date":"2021-09-23 01:17:57"},{"id":"2025","test_id":"359","question":"<p>N\u1ebfu a <span class=\"math-tex\">$\\vdots$<\/span>15, b <span class=\"math-tex\">$\\vdots$<\/span> 15 v&agrave; c <span class=\"math-tex\">$\\vdots$<\/span> 15 th&igrave;&nbsp;<\/p>","options":["15 l&agrave; m\u1ed9t \u01b0\u1edbc chung c\u1ee7a a, b v&agrave; c","15 l&agrave; m\u1ed9t b\u1ed9i&nbsp;chung c\u1ee7a a, b v&agrave; c"],"correct":"1","answer":"<p>N\u1ebfu a <span class=\"math-tex\">$\\vdots$<\/span>15, b <span class=\"math-tex\">$\\vdots$<\/span> 15 v&agrave; c <span class=\"math-tex\">$\\vdots$<\/span> 15 th&igrave;&nbsp;<strong>15 l&agrave; m\u1ed9t \u01b0\u1edbc chung c\u1ee7a a, b v&agrave; c.<\/strong><\/p>","type":"choose","user_id":"132","test":"2","date":"2021-09-23 01:46:22"}]}