(x^3-3x^2-x+3)/(x-2)化简~
化简(X+2)\(X^2+X)+(2X+1)\(X^2+3X+2)-(X-3)\(X^2+2X)
x-1)(X-2)(x-3)...(x-50)+x(x-2)(X-3)...(X-50)+...+x(x-1)(x-2)
x^2-3x
(x+3)(x-2)
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
约分 (X的平方+4x+3)(2x-x)^/(X^+X)(X^+X-6),
(x^3-3x^2-x+3)/(x-2)化简~
x^2+2x/3x^2+x-10化简
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
-(x²-2x)+(-3x+2x²)化简!
(x+2)(x-2)+x(3-x)化简