怎样把循环小数化为分数(已0.3737……为例)快 ………………………………………………在线等

问题描述:

怎样把循环小数化为分数(已0.3737……为例)
快 ………………………………………………在线等

循环小数转换成分数的方法是:(1)设0.3737...=a,那么100a=37.3737.100a-a=37.3737...-0.3737...99a=37a=37/99(2)又例0.153737.设0.153737...=a,那么100a=15.3737...10000a=1537.3737...10000a-100a=1537.3737......