问题 解答题
求比值.
1
3
2
5
=
0.8﹕1.2=0.125﹕
3
8
=
答案

(1)

1
3
2
5

=

1
3
÷
2
5

=

1
3
×
5
2

=

5
6

(2)0.8:1.2,

=0.8÷1.2,

=

2
3

(3)0.125:

3
8

=

1
8
÷
3
8

=

1
8
×
8
3

=

1
3

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