问题 解答题
用递等式计算:
1498+1068÷89
132.5-18÷4.5+7.612×(
5
6
-
3
4
)÷
1
2
答案

1498+1068÷89

=1498+12,

=1510;

132.5-18÷4.5+7.6

=132.5-4.5+7.6,

=128+7.6,

=135.6;

12×(

5
6
-
3
4
)÷
1
2

=12×

1
12
÷
1
2

=1÷

1
2

=2.

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