Toán lớp 2 - sách cũ - Đề kiểm tra 15 phút - Toán lớp 2 - Tháng 1 - Số 3

{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"889","test_id":"280","question":"<p>Ch\u1ecdn d\u1ea5u th&iacute;ch h\u1ee3p \u0111i\u1ec1n v&agrave;o &ocirc; tr\u1ed1ng sao cho th&iacute;ch h\u1ee3p:<\/p><p>3&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\" value=\"?\" \/&gt;&nbsp;4 = 12<\/p>","options":["+","-","x"],"correct":"3","answer":"<p>Ta th\u1ea5y:<\/p><p>3 kh&ocirc;ng tr\u1eeb \u0111\u01b0\u1ee3c 4<\/p><p>3 + 4 = 7<\/p><p><strong>3 x 4 = 12<\/strong><\/p><p>V\u1eady d\u1ea5u c\u1ea7n ch\u1ecdn l&agrave; d\u1ea5u nh&acirc;n&nbsp;<strong>&nbsp;x<\/strong><\/p>","type":"choose","user_id":"82","test":"2","date":"2020-03-26 17:32:41"},{"id":"890","test_id":"280","question":"<p>B\u1ea1n V&acirc;n vi\u1ebft ph&eacute;p t&iacute;nh nh&acirc;n t\u01b0\u01a1ng \u1ee9ng t\u1eeb ph&eacute;p c\u1ed9ng 6 + 6 + 6 nh\u01b0 sau:<\/p><p>6 + 6 + 6 = 3 x 6<\/p><p>Theo em b\u1ea1n V&acirc;n vi\u1ebft \u0111&uacute;ng hay sai?<\/p>","options":["\u0110&uacute;ng","Sai"],"correct":"2","answer":"<p>B\u1ea1n V&acirc;n vi\u1ebft sai<\/p><p>T\u1eeb ph&eacute;p c\u1ed9ng 6 + 6 + 6 ta th\u1ea5y: 6 \u0111\u01b0\u1ee3c l\u1ea5y 3 l\u1ea7n<\/p><p>n&ecirc;n ph&eacute;p nh&acirc;n t\u01b0\u01a1ng&nbsp;\u1ee9ng l&agrave;: <strong>6 x 3<\/strong><\/p><p>(c&aacute;ch vi\u1ebft \u0111&uacute;ng l&agrave;: 6 + 6 + 6 = 6 x 3)<\/p><p>&nbsp;<\/p>","type":"choose","user_id":"82","test":"2","date":"2020-03-26 17:48:42"}]}