-
10741
2
2013-07-16 23:08
534
1
2
2013.3.4
⒈
⑴ 3 987 6
⑵
⑶
⑷
⑸
⒉
⑴
3 987
⑵
⑶ 3 987
⑷ 6
⑸
⑹ 6
6 1974
⑴
⑵
987÷3 =329
6÷3=2 6 3 987
⑶
⑴
⑵
⑴ ① 28÷4×7 ② 63÷7×8 ⑤ 48×4÷6
③ 48÷8×9 ④24×5÷8 ⑥ 56÷2×4
⑵
⑶
⑴
⑵
⑶
⑴ ① 24×8÷2 ② 25÷5×8
⑵
⑴
⑵
⑴
⑵