解方程2^x=3^x 解不等式9^x>3^x-2
解方程与不等式(x-3)(x-2)+18=(x+9)(x+1)
解方程与不等式(3x+4)(3x-4)<9(x-2)(x+3)
解方程或不等式 (1)2(x-3)(x+3)=2(x-1)²+2x (2)(3x+4)(3x-4)>9(x-2
解方程或不等式:(1)3(2x-1)(x+6)-5(x-3)(x+6)=x(x+9)(2)(2x-1)²+(1
解方程; 9(x-3)(x+4)=(2x-1)(2x+1)+5(x-2)²和 不等式 2(2x-3)²
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解不等式x*x+1/2x(3-2x)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)