把分数化成小数.(除不尽的保留三位小数)23351238599161427125.-数学

题目简介

把分数化成小数.(除不尽的保留三位小数)23351238599161427125.-数学

题目详情

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
题型:解答题难度:中档来源:不详

答案

class="stub"2
3
=2÷3≈
0.667;
class="stub"3
5
=3÷5
=0.6;
class="stub"1
2
=1÷2
=0.5;
class="stub"3
8
=3÷8
=0.375;
class="stub"5
9
=5÷9≈
0.556;
class="stub"9
16
=9÷16
=0.5625;
class="stub"1
4
=1÷4
=0.25;
class="stub"2
7
=2÷7≈
0.286;
class="stub"1
25
=1÷25
=0.04;

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