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

{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"936","test_id":"281","question":"<p>295 - 25 + 95 =&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&lt;\/p>","options":"","correct":["365"],"answer":"<p>Trong bi\u1ec3u th\u1ee9c ch\u1ec9 c&oacute; ph&eacute;p c\u1ed9ng v&agrave; ph&eacute;p tr\u1eeb th&igrave; ta th\u1ef1c hi\u1ec7n c&aacute;c ph&eacute;p t&iacute;nh l\u1ea7n l\u01b0\u1ee3t theo th\u1ee9 t\u1ef1 t\u1eeb tr&aacute;i sang ph\u1ea3i.<\/p><p>Ta c&oacute;:&nbsp;<\/p><p>&nbsp;&nbsp;295 - 25 + 95&nbsp;<\/p><p>=&nbsp; &nbsp; &nbsp; &nbsp;270 + 95&nbsp;<\/p><p>=&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 365<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;: <strong>365<\/strong><\/p><div class=\"lt123matrix\"><div class=\"lt123_math mot_so\"><strong><span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_0_0\" row=\"0\"><\/span><\/strong><\/div><\/div>","type":"blank","user_id":"82","test":"0","date":"2020-03-27 07:13:37"},{"id":"937","test_id":"281","question":"<p>112 x ( 9 : 3 ) =&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&lt;\/p>","options":"","correct":["336"],"answer":"<p>Khi t&iacute;nh gi&aacute; tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c c&oacute; ch\u1ee9a d\u1ea5u ngo\u1eb7c ( ) th&igrave; ta th\u1ef1c hi\u1ec7n ph&eacute;p t&iacute;nh trong ngo\u1eb7c tr\u01b0\u1edbc.<\/p><p>Ta c&oacute;:<\/p><p>&nbsp; 112 x ( 9 : 3)&nbsp;<\/p><p>= 112 x&nbsp; 3<\/p><p>= 336<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;: <strong>336<\/strong><\/p>","type":"blank","user_id":"82","test":"0","date":"2020-03-27 07:20:55"}]}