Toán lớp 3 - sách cũ - Đề kiểm tra 45 phút - Toán lớp 3 - Tháng 2 - Số 3
{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"1532","test_id":"317","question":"<p>Tích c\u1ee7a 3573 và 2 b\u1eb1ng <input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/><\/p>","options":"","correct":["7146"],"answer":"<p>\u0110\u1eb7t tính, th\u1ef1c hi\u1ec7n phép tính l\u1ea7n l\u01b0\u1ee3t t\u1eeb ph\u1ea3i sang trái.<\/p><p>Ta có: <\/p><div class=\"lt123matrix\"><div class=\"lt123_math mot_so\"><span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_0_0\" row=\"0\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_0_1\" row=\"0\">3<\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_0_2\" row=\"0\">5<\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_0_3\" row=\"0\">7<\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_0_4\" row=\"0\">3<\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_0_5\" row=\"0\"><\/span> <span class=\"clear_both\" row=\"0\"><\/span> <span class=\"mth_td item_col pnhan\" col=\"0\" id=\"mth_td_1_0\" row=\"1\"><span class=\"phep_tinh phep_nhan\">x<\/span><\/span> <span class=\"mth_td item_col bm\" col=\"1\" id=\"mth_td_1_1\" row=\"1\"><\/span> <span class=\"mth_td item_col bm\" col=\"2\" id=\"mth_td_1_2\" row=\"1\"><\/span> <span class=\"mth_td item_col bm\" col=\"3\" id=\"mth_td_1_3\" row=\"1\"><\/span> <span class=\"mth_td item_col bm\" col=\"4\" id=\"mth_td_1_4\" row=\"1\">2<\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_1_5\" row=\"1\"><\/span> <span class=\"clear_both\" row=\"1\"><\/span> <span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_2_0\" row=\"2\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_2_1\" row=\"2\">7<\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_2_2\" row=\"2\">1<\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_2_3\" row=\"2\">4<\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_2_4\" row=\"2\">6<\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_2_5\" row=\"2\"><\/span> <span class=\"clear_both\" row=\"2\"><\/span> <span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_3_0\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_3_1\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_3_2\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_3_3\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_3_4\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_3_5\" row=\"3\"><\/span> <span class=\"clear_both\" row=\"3\"><\/span><div col=\"5\" id=\"new_row\" row=\"3\">V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n vào ô tr\u1ed1ng là: <strong>7146<\/strong><\/div><\/div><div class=\"clear_both\"> <\/div><\/div>","type":"blank","user_id":"82","test":"2","date":"2020-04-10 15:33:39"},{"id":"1534","test_id":"317","question":"<p>Tìm m\u1ed9t s\u1ed1 bi\u1ebft r\u1eb1ng s\u1ed1 \u0111ó b\u1eb1ng th\u01b0\u01a1ng c\u1ee7a s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 9277 và 3.<\/p>","options":["3092","3292","3029","3922"],"correct":"1","answer":"<p>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 9277 là s\u1ed1: 9276<\/p><p>Mà 9276 : 3 = 3092<\/p><p>Nên th\u01b0\u01a1ng c\u1ee7a s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 9277 và 3 là: 3092<\/p><p>V\u1eady s\u1ed1 c\u1ea7n tìm là: <strong>3092<\/strong><\/p>","type":"choose","user_id":"82","test":"2","date":"2020-04-10 15:45:00"}]}
