0.346346......=346/999
1.2323......=1+0.2323......=1+23/99=122/99
简单说每一个循环节知为道分子专,循环节有几位数分母就属写几个9
0.3333......循环节为3 0.214.....循环节为214
0.52525252....循环节为52,所以0.525252...=52/99
0.35....=35/99