Toán lớp 3 - Sách Kết nối tri thức - Đề kiểm tra 15 phút - Toán lớp 3 - Sách Kết nối tri thức - Tháng 2 - Số 1

{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"10525","test_id":"711","question":"<p>M\u1ed9t h&igrave;nh ch\u1eef nh\u1eadt c&oacute; chi\u1ec1u d&agrave;i l&agrave; 12 cm, chi\u1ec1u r\u1ed9ng l&agrave; 5 cm. T&iacute;nh di\u1ec7n t&iacute;ch h&igrave;nh ch\u1eef nh\u1eadt \u0111&oacute;.<\/p><p><img class=\"img_dd small\" src=\"\/data\/library\/hinh-hoc\/cn.png\" \/><\/p>","options":["<strong>A.<\/strong>&nbsp;66 cm&sup2;.","<strong>B.<\/strong>&nbsp;60 cm&sup2;.","<strong>C.<\/strong>&nbsp;30 cm&sup2;.","<strong>D.<\/strong>&nbsp;17 cm&sup2;."],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;60 cm&sup2;.<\/span><\/p><p>Di\u1ec7n t&iacute;ch c\u1ee7a h&igrave;nh ch\u1eef nh\u1eadt l&agrave;:<\/p><p>12 x 5 = 60 (cm&sup2;).<\/p><p>\u0110&aacute;p s\u1ed1: 60 cm&sup2;.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-08-14 08:43:45"},{"id":"10526","test_id":"711","question":"<p>M\u1ed9t h&igrave;nh vu&ocirc;ng c&oacute; c\u1ea1nh 6 cm. T&iacute;nh di\u1ec7n t&iacute;ch h&igrave;nh vu&ocirc;ng \u0111&oacute;.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hinh-hoc\/h8.png\" \/><\/div>","options":["<strong>A.<\/strong>&nbsp;12 cm&sup2;.","<strong>B.<\/strong>&nbsp;24 cm&sup2;.","<strong>C.<\/strong>&nbsp;36 cm&sup2;.","<strong>D.<\/strong>&nbsp;30 cm&sup2;."],"correct":"3","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;36 cm&sup2;.<\/span><\/p><p>Di\u1ec7n t&iacute;ch h&igrave;nh vu&ocirc;ng l&agrave;:<\/p><p>6 x 6 = 36 (cm&sup2;).<\/p><p>\u0110&aacute;p s\u1ed1: 36 cm&sup2;.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-08-14 08:46:29"}]}