问题
解答题
脱式计算我最行.
8307÷9-664÷4
149×8-456÷6.
答案
(1)8307÷9-664÷4
=923-166
=757;
(2)149×8-456÷6
=1192-76
=1116.
脱式计算我最行.
8307÷9-664÷4
149×8-456÷6.
(1)8307÷9-664÷4
=923-166
=757;
(2)149×8-456÷6
=1192-76
=1116.