(100-5)/(100-10)=100/(100-x)
1个回答
(100-5)/(100-10)=100/(100-x)
95(100-x)=9000
9500-95x=9000
-95x=-500
x=100/19
相关问题
100+100*2%=x-10%x+(100-x)+(100-x)*5%
(X-100)*10%+100={X-[(X-100)*10%+100]-200}*10%+200
100(95-x) - 80(100-x) = 100 (240-x)/x*100%=20% (100%-10%)*y=
x *5%+(100-x)*30%-100*10%答案和过程
100+〔100+(100×10%)〕+{[100+(100×10%)]×10%}……
x+y+z=100 10x+0.5y+3z=100
(1-10%)X+(100-X)×(1+5%)=100×(1+2%)
100(x+1)=2(y+5) 100(x+1)+y+10=209
{x-y=100 {12%x-10%y=100
[(100-x)*10%]*(1-x/100)=0.4,