Toán lớp 3 - sách cũ - Đề kiểm tra 45 phút - Toán lớp 3 - Tháng 9 - Số 3

{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"916","test_id":"275","question":"<p>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 712 l&agrave; s\u1ed1&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&lt;\/p>","options":"","correct":["711"],"answer":"<p>Mu\u1ed1n t&igrave;m s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a m\u1ed9t s\u1ed1. Ta l\u1ea5y s\u1ed1 \u0111&atilde; cho tr\u1eeb \u0111i 1 \u0111\u01a1n v\u1ecb.<\/p><p>V&igrave;:&nbsp; &nbsp; &nbsp; &nbsp; 712 - 1 = 711<\/p><p>N&ecirc;n s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 712 l&agrave; s\u1ed1 711<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:<strong> 711<\/strong><\/p>","type":"blank","user_id":"82","test":"2","date":"2020-03-26 21:43:29"},{"id":"917","test_id":"275","question":"<p>S\u1ed1 li\u1ec1n sau s\u1ed1 765 l&agrave; s\u1ed1&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&lt;\/p>","options":"","correct":["766"],"answer":"<p>Mu\u1ed1n t&igrave;m s\u1ed1 li\u1ec1n sau c\u1ee7a m\u1ed9t s\u1ed1, ta l\u1ea5y s\u1ed1 \u0111&atilde; cho c\u1ed9ng th&ecirc;m 1 \u0111\u01a1n v\u1ecb.<\/p><p>V&igrave;:&nbsp; &nbsp; &nbsp;765 + 1 = 766<\/p><p>N&ecirc;n s\u1ed1 li\u1ec1n sau s\u1ed1 765 l&agrave; s\u1ed1 766<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:<strong> 766<\/strong><\/p>","type":"blank","user_id":"82","test":"2","date":"2020-03-26 21:47:50"}]}