问题 解答题
化简比.
2
3
3
8
2.4:0.363.5:
5
11
1
40
9
8
答案

2
3
3
8

=(

2
3
×24):(
3
8
×24),

=16:9;

2.4:0.36,

=(2.4×100):(0.36×100),

=240:36,

=(240÷12):(36÷12),

=20:3;

3.5:

5
11

=(3.5×10):(

5
11
×10),

=35:

50
11

=(35×

11
5
):(
50
11
×
11
5
),

=77:10;

1
40
9
8

=(

1
40
×40):(
9
8
×40),

=1:45.

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