1.log(2x-3)*(x²-3 >0)

1.log(2x-3)*(x²-3 >0) 1.（3x²+2x-8）²-（x²-2x-8）² 已知函数F(X)=LOG 3 [(mx²+8x+n)/(x²+1)]的定义域为R,值域为[0,2], 1.(x³-4x²+4x)(3+2x-x²)＞0 对数计算1.{log(4)（3）+ log(8) (3)} X {log(3)(2)+log(9)(2)}2.{log( 已知log（2）[log（3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x log(0.5x)(2)-log(0.5x^3)(x^2)=log(0.5x^3)(4) 已知log(1/7)[log(3)(log(2)x)]=0 5(x²-x)-3(x²+x)=0 |x+2y+3|+(2x+y)²=0求x²-xy+y² ① X²+X-1+0,则2X³+3X²-X= 4x²-[2x-(x²-2x+3)-2(x²-3x)] 计算