百分数化成分数80% 30% 45% 160% 25% 0.5% 87.5%
问题描述:
百分数化成分数80% 30% 45% 160% 25% 0.5% 87.5%
答
80%=4/5
30% =3/10
45%=9/20
160% =8/5
25% =1/4
0.5% =1/200
87.5%=7/8