x-1/12x-2-1/8x+18=188怎么解
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1
x^2=(x+30)X(x-18)怎么解
2/(X-2)+X/(X+3)=1 怎么解
X(X+2)+X+1=55怎么解?
x/x²-x+2=2x/x+1怎么解?
x/x²-x+2=2x/x+1怎么解
x/2+x/8+x/12+x/20=1
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:2x(x-1)-x(3x+2)=-x(x+2)-12
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550