问题 解答题
脱式计算.
5
4
×12×
2
5
=______;
8
9
×
2
24
×
3
8
______;
32×
7
16
×
3
7
______.
答案

(1)

5
4
×12×
2
5

=15×

2
5

=6;

(2)

8
9
×
2
24
×
3
8

=

2
27
×
3
8

=

1
36

(3)32×

7
16
×
3
7

=14×

3
7

=6.

故答案为:6,

1
36
,6.

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