Toán lớp 2 - Sách Kết nối tri thức - Đề kiểm tra 45 phút - Toán lớp 2 - Tháng 10 - Số 1

{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"2423","test_id":"390","question":"<p>Ph&eacute;p t&iacute;nh n&agrave;o sau \u0111&acirc;y c&oacute; t\u1ed5ng l&agrave; m\u1ed9t s\u1ed1 tr&ograve;n ch\u1ee5c?<\/p>","options":["A.&nbsp;20 + 60","B. 100 - 90","C. 23 + 35","D. 79 - 55"],"correct":"1","answer":"<p>T\u1ed5ng l&agrave; m\u1ed9t s\u1ed1 tr&ograve;n ch\u1ee5c ngh\u0129a l&agrave;: K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p c\u1ed9ng&nbsp;c&oacute; ch\u1eef s\u1ed1 h&agrave;ng \u0111\u01a1n v\u1ecb l&agrave; 0.<\/p><p>Th\u1ef1c hi\u1ec7n ph&eacute;p t&iacute;nh c\u1ed9ng c\u1ee7a:<\/p><p>A. 20 + 60 = 80 (80 l&agrave; s\u1ed1 tr&ograve;n ch\u1ee5c)<\/p><p>C. 23 + 35 = 58 (58 kh&ocirc;ng ph\u1ea3i l&agrave; s\u1ed1 tr&ograve;n ch\u1ee5c)<\/p><p>V\u1eady ta ch\u1ecdn \u0111&aacute;p &aacute;n <span style=\"color:#16a085;\"><strong>A.&nbsp;20 + 60<\/strong><\/span><\/p><p>(B v&agrave; D l&agrave; ph&eacute;p tr\u1eeb n&ecirc;n lo\u1ea1i)<\/p>","type":"choose","user_id":"119","test":"2","date":"2021-10-22 23:45:12"},{"id":"2424","test_id":"390","question":"<p>Lan c&oacute; m\u1ed9t chi\u1ebfc b&uacute;t ch&igrave; d&agrave;i 25 cm v&agrave; m\u1ed9t chi\u1ebfc b&uacute;t m\u1ef1c d&agrave;i 20 cm. H\u1ecfi b&uacute;t ch&igrave; d&agrave;i h\u01a1n b&uacute;t m\u1ef1c bao nhi&ecirc;u x\u0103ng-ti-m&eacute;t?&nbsp;<\/p>","options":["45 cm","5 cm","4 cm","30 cm"],"correct":"2","answer":"<p>B&uacute;t ch&igrave; d&agrave;i h\u01a1n b&uacute;t m\u1ef1c s\u1ed1 x\u0103ng-ti-m&eacute;t l&agrave;:&nbsp;<\/p><p>25 - 20 = 5 (cm)<\/p><p>\u0110&aacute;p s\u1ed1: 5 cm<\/p>","type":"choose","user_id":"125","test":"2","date":"2021-10-22 23:48:33"}]}