Toán lớp 3 - Sách Kết nối tri thức - Đề kiểm tra 15 phút - Toán lớp 3 - Sách Kết nối tri thức - Tháng 9 - Số 1

{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"9842","test_id":"661","question":"<p>C&aacute;ch vi\u1ebft c&aacute;c s\u1ed1 th&agrave;nh t\u1ed5ng c&aacute;c&nbsp;tr\u0103m, ch\u1ee5c, \u0111\u01a1n v\u1ecb n&agrave;o sau \u0111&acirc;y l&agrave; <span style=\"color:#c0392b;\"><strong>sai<\/strong><\/span>?<\/p>","options":["<strong>A.<\/strong> 367 = 300 + 60 + 7.","<strong>B.<\/strong> 702 = 700 + 10 + 2.","<strong>C.<\/strong> 901 = 900&nbsp;+ 1.","<strong>D.<\/strong> 480 = 400 + 80."],"correct":"2","answer":"<p>C&aacute;ch vi\u1ebft&nbsp;<span style=\"color:#c0392b;\"><strong>sai <\/strong><\/span>l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 702 = 700 + 10 + 2.<\/span><\/p><p><strong>A.<\/strong> 367 = 300 + 60 + 7.&nbsp; (<span style=\"color:#16a085;\">\u0111&uacute;ng<\/span>)<\/p><p><strong>B.<\/strong> 702 = 700 + 10 + 2.&nbsp; (<span style=\"color:#c0392b;\">sai <\/span>v&igrave; 702 = 700 + 2).<\/p><p><strong>C.<\/strong> 901 = 900&nbsp;+ 1.&nbsp; (<span style=\"color:#16a085;\">\u0111&uacute;ng<\/span>)<\/p><p><strong>D.<\/strong> 480 = 400 + 80.&nbsp; (<span style=\"color:#16a085;\">\u0111&uacute;ng<\/span>)<\/p>","type":"choose","user_id":"87","test":"2","date":"2025-07-31 12:31:46"},{"id":"9844","test_id":"661","question":"<p>Hi\u1ec7u&nbsp;c\u1ee7a s\u1ed1 l\u1edbn nh\u1ea5t c&oacute; ba ch\u1eef s\u1ed1 v&agrave; s\u1ed1 nh\u1ecf nh\u1ea5t c&oacute; hai ch\u1eef s\u1ed1 l&agrave; bao nhi&ecirc;u?<\/p>","options":["<strong>A.<\/strong> 900.","<strong>B.<\/strong> 999.","<strong>C.<\/strong> 910.","<strong>D.<\/strong> 989."],"correct":"4","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> 989.<\/span><\/p><p>S\u1ed1 l\u1edbn nh\u1ea5t c&oacute; ba ch\u1eef s\u1ed1 l&agrave; 999.<\/p><p>S\u1ed1 nh\u1ecf nh\u1ea5t c&oacute; hai ch\u1eef s\u1ed1 l&agrave; 10.<\/p><p>Hi\u1ec7u&nbsp;c\u1ee7a s\u1ed1 l\u1edbn nh\u1ea5t c&oacute; ba ch\u1eef s\u1ed1 v&agrave; s\u1ed1 nh\u1ecf nh\u1ea5t c&oacute; hai ch\u1eef s\u1ed1 l&agrave; 999&nbsp;&ndash; 10 = 989.<\/p>","type":"choose","user_id":"119","test":"2","date":"2025-07-31 17:03:33"}]}