Question

小数化成分数的方法

Answer 1

如：0.9等于10分之9

Answer 2

1、首先看小数点后面有几位数，如果是2位就除以100，是1位除以10，三位数除以1000，以此类推。

Answer 3

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Answer 4

除以一百，除以一千

Answer 5