问题 解答题
求比值(直接写答案)
2:2.5=3:
6
7
=
4.2:5.6=
5
8
3
16
=
27:63=
答案

(1)2:2.5=2÷2.5=0.8;

(2)3:

6
7
=3÷
6
7
=
7
2

(3)4.2:5.6=4.2÷5.6=

3
4

(4)

5
8
3
16
=
5
8
÷
3
16
=
10
3

(5)27:63=27÷63=

3
7

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