(x-8000 )·(1+10%)= (1+35%)x-11000
(x-8000 )·(1+10%)= (1+35%)x-11800 求X=?
(x)-2x·x-x-2x+1=0求x的值,
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
(2x-2)(x-1)=0 x(x-5)=5x-10
(X-X*20%-18-(X-X*20%-18)*10%=X*1/2-3(过程)
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
解方程:(13x-x²)/(x+1)·[x+(13-x)/(x+1)]=42.
求函数Y=(X·X-2X-1)/(X·X-5X-6)的值域?
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
1)x+1/x=3,求x^10+x^5+1/x^5+1/x^10的值
【(Xˇ2-X)/x】 ·【 x/(X+1)】+【(3x+1)】