25%x+15=90=()(1+5/6)x=23/24=()x+35%x=27=()
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
3/x-1=4/x 6/x+1=x+5/x(x+1)
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
6/(x+1)=(x+5)/[x(x+1)] (3-x)/(x-4)+1/(4-x)=1 2/(1+x)-3/(1-x)
5x-3(2x+1)=6x-4(5-3x)求x
初一数学x*x+2x+5的值为7,请求3x*x+6x+3的值.因为x*x+2x2x+3=3x(x*x+2x)+2x+2x
(x-1)/x -(1-x)/(x+1)=(5x-5)/(2x+2) x等于多少
函数的表示法 f(x+1/x)=x*x+1/(x*x)
(x)-2x·x-x-2x+1=0求x的值,
X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1