将下列分数化成小数,小数化成分数.21100=______910=______631000=______0.23=______0.45=______0.307=______.-数学

题目简介

将下列分数化成小数,小数化成分数.21100=______910=______631000=______0.23=______0.45=______0.307=______.-数学

题目详情

将下列分数化成小数,小数化成分数.
21
100
=______
9
10
=______
63
1000
=______
0.23=______0.45=______0.307=______.
题型:填空题难度:中档来源:不详

答案

class="stub"21
100
=0.21class="stub"9
10
=0.9 class="stub"63
1000
=0.063
0.23=class="stub"23
100
0.450=class="stub"450
1000
0.307=class="stub"307
1000

故答案为:0.21,,09,0.063,class="stub"23
100
class="stub"45
100
class="stub"307
1000

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