问题 解答题
计算:
(1)
3
×
6
  
(2)2
10
×3
5
×
8

(3)
1
3
27
×
1
2
12
 
(4)3
a2b3
1
2
b
a
答案

(1)原式=

3×6

=

18

=3

2

(2)原式=2

10
×3
5
×2
2

=(2×3×2)

10×5×2

=12

100

=120;

(3)原式=

3
×
3

=3;

(4)原式=(3×

1
2
a2b3×
b
a

=

3
2
ab4

=

3
2
b2
a

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