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......