题目内容

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
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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