问题 解答题
把分数化成小数.(除不尽的保留三位小数)
2
3

3
5

1
2

3
8

5
9

9
16

1
4

2
7

1
25
答案

2
3
=2÷3≈0.667;

3
5
=3÷5=0.6;

1
2
=1÷2=0.5;

3
8
=3÷8=0.375;

5
9
=5÷9≈0.556;

9
16
=9÷16=0.5625;

1
4
=1÷4=0.25;

2
7
=2÷7≈0.286;

1
25
=1÷25=0.04;

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