x+(20%+x)+(1+20%)x+(1+20%)x.25=3700 怎么算啊
问题描述:
x+(20%+x)+(1+20%)x+(1+20%)x.25=3700 怎么算啊
答
x+0.2+x+1.2x+1.2*0.25x=3700,即3.5x+0.2=3700,x=1057.09
x+(20%+x)+(1+20%)x+(1+20%)x.25=3700 怎么算啊
x+0.2+x+1.2x+1.2*0.25x=3700,即3.5x+0.2=3700,x=1057.09