方法如下,请作参考:
1/5:0.625化简比1/5:0.625=0.2:0.625=8:25求比值:8/25=0.32
1/5: 0.625=1/5: (5/8)=1/5×8/5=8/25 =25分之8 (比值)=8: 25 (最简比)
1/5 : 0.625=1/5 : 5/8=8/40 : 25/40=8:258:25=8/25=0.32