问题 解答题
求比值:
9
5
3
20

11
6
:22
1
4
:0.875.
答案

(1)

9
5
3
20

=

9
5
÷
3
20

=

9
5
×
20
3

=12;

(2)

11
6
:22,

=

11
6
÷22,

=

11
6
×
1
22

=

1
12

(3)

1
4
:0.875,

=

1
4
7
8

=

1
4
÷
7
8

=

1
4
×
8
7

=

2
7

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