x-35%x=0.25
问题描述：
x-35%x=0.25
答
35%化为小数0.35 x-0.35x=0.25
0.65x=0.25
x=0.25÷0.65=5/13约等于0.3846
答
x-0.35x=0.65x=0.25，解得x=5/13
答
x-35%x=0.25
0.65x=0.25
x=0.25÷0.65
X=5/13
答
x(1-o.35) =0.25
x=0.25/0.35
x=5/7