Toán lớp 3 - Sách Kết nối tri thức - Đề kiểm tra 45 phút - Toán lớp 3 - Sách Kết nối tri thức - Tháng 1 - Số 1

{"save":1,"level":1,"time":"45","total":30,"point":5,"segment":[{"id":"10567","test_id":"710","question":"<p>So s&aacute;nh 3456&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\" value=\"?\" \/&gt;&nbsp;3099.<\/p>","options":["<strong>A.<\/strong> &lt;.","<strong>B.<\/strong> &gt;.","<strong>C.<\/strong> =."],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> &gt;.<\/span><\/p><p>Ta c&oacute; 3456 &gt; 3099 (v&igrave; \u1edf h&agrave;ng tr\u0103m c&oacute; 4 &gt; 0).<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-08-14 10:53:14"},{"id":"10569","test_id":"710","question":"<p>Chu vi c\u1ee7a h&igrave;nh tam gi&aacute;c c&oacute; ba c\u1ea1nh l\u1ea7n l\u01b0\u1ee3t l&agrave; 45 dm, 56 dm v&agrave; 50 dm l&agrave;<\/p>","options":["<strong>A.<\/strong> 151 dm.","<strong>B.<\/strong> 150 dm.","<strong>C.<\/strong> 149 dm.","<strong>D.<\/strong> 152 dm."],"correct":"1","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 151 dm.<\/span><\/p><p>Chu vi c\u1ee7a h&igrave;nh tam gi&aacute;c l&agrave; 45 + 56 + 50 = 151 (dm).<\/p><p>\u0110&aacute;p s\u1ed1: 151 dm.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-08-14 10:56:35"}]}