问题 解答题
求比值
60:42
4.8:7.5
3
8
9
20

3.5:8
2
5
答案

(1)60:42,

=60÷42,

=

10
7

(2)4.8:7.5,

=4.8÷7.5,

=

16
25

(3)

3
8
9
20

=

3
8
÷
9
20

=

5
6

(4)3.5:8

2
5

=3.5÷8

2
5

=3.5÷

42
5

=

5
12

单项选择题
填空题