11× 38.5% = X × 36% + (X - 3)× 35% +(11-2X+3)×40%解方程,急
11× 38.5% = X × 36% + (X - 3)× 35% +(11-2X+3)×40%解方程,急
11-2.5(x+3)=2.5x 方程解 急!
解方程|2x-11|=|x-3|+|x-8|
解方程x(2x-3)+3x+3x(x-2)=5x(x-4)+11
3(x-2)=5x-1 解方程,急
x+4x+8=4x+11 x(2x-4)=5-8x解方程急!
解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0
解方程3x(2x-3)-(4-2x)x=(1-4x)×(-2x)-11
解方程:11(6-x)/3(x-4)=10(5-x)/3(x-4)-5(6-x)/x-2
解方程x²+3x-9=x-11
解方程:7x-2x+3x=36
解方程7x-2x+3x=36