问题
填空题
将下列分数化成小数,小数化成分数.
0.23=______0.45=______0.307=______. |
答案
=0.2121 100
=0.9 9 10
=0.06363 1000
0.23=
0.450=23 100
0.307=450 1000
.307 1000
故答案为:0.21,,09,0.063,
,23 100
,45 100
.307 1000
将下列分数化成小数,小数化成分数.
0.23=______0.45=______0.307=______. |
=0.2121 100
=0.9 9 10
=0.06363 1000
0.23=
0.450=23 100
0.307=450 1000
.307 1000
故答案为:0.21,,09,0.063,
,23 100
,45 100
.307 1000