问题 解答题
化简比.
3
5
:0.375
0.54:1.6
4
15
4
25
答案

(1)

3
5
:0.375

=

3
5
3
8

=(

3
5
×
5
3
):(
3
8
×
5
3

=1:

5
8

=8:5;

(2)0.54:1.6

=(0.54÷0.02):(1.6÷0.02)

=27:80;

(3)

4
15
4
25

=(

4
15
×
25
4
):(
4
25
×
25
4

=

5
3
:1

=5:3.

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