问题 解答题
计算下列各式
(1)
75
×
3
                    
(2)
2
3
×
3
3
8

(3)
48
3
                           
(4)
1
2
3
×
5
54
答案

(1)原式=5

3
×
3
=15;

(2)原式=

4
9
×
27
8
=
3
2
=
6
2

(3)原式=

4
3
3
=4;

(4)原式=

5
3
×
5
54
=
5
9
2
=
5
2
18

单项选择题
单项选择题