解方程:2(x-3)(x+5)=x²+ (x-2)(x+2)和(-4x-5)²=(-2x+3)(-2
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程:2(x-3)(x+5)=x²+ (x-2)(x+2)和(-4x-5)²=(-2x+3)(-2
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程①(x+3/x-1)²-5(x+3/x-1)+6=0 ②x²-2/x+3-6x+18/x
解方程:x(x+2)+(2x+1)(2x-1)=5(x²+3)
解方程x(2x-5)-x(x+2)=x²-6,