把下列分数化成小数.11023515891007201214311002320225.-数学

题目简介

把下列分数化成小数.11023515891007201214311002320225.-数学

题目详情

把下列分数化成小数.
1
10
2
3
5
1
5
8
9
100
7
20
1
2
1
4
31
100
23
20
2
25
题型:解答题难度:中档来源:不详

答案

class="stub"1
10
=1÷10=0.1,
class="stub"3
5
=0.6,所以2class="stub"3
5
=2.6;
class="stub"5
8
=0.625,所以1class="stub"5
8
=1.625;
class="stub"9
100
=9÷100
=0.09;
class="stub"7
20
=7÷20=0.35;
class="stub"1
2
=1÷2=0.5;
class="stub"1
4
=1÷4=0.25;
class="stub"31
100
=31÷100=0.31;
class="stub"23
20
=23÷20=1.15

class="stub"2
25
=2÷25=0.08.

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