问题 解答题
先化简,再求比值.
0.35:5.6
2
9
5
6
40:100.
答案

(1)0.35:5.6

=(0.35÷0:35):(5.6÷0.35)

=1:16;

0.35:5.6

=0.35÷5.6

=

1
16

(2)

2
9
5
6

=(

2
9
×
6
5
):(
5
6
×
6
5

=4:15;

2
9
5
6

=

2
9
÷
5
6

=

2
9
×
6
5

=

4
15

(3)40:100

=(40÷20):(100÷20)

=2:5;

40:100

=40÷100

=

2
5

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