计算5(x-1)(x+3)-2(x-5)(x-2)2计算3(x+5)(x-3)-5(x-2)(x+3)

x/x-3-5x/x^2-x-6计算 计算:x/x-2 - 5x/x²-x-6计算:x/x-3 - 5x/x²-x-6 计算:|3-x|+|x-1|(x>5) 2x/x-1+1/x+3-3x+5/x^2+2x-3计算, 计算3x^3-(x^2 +2x)(3x-1)-3(x+5)(x-2) 计算：(2x+3)(3x-4)>(x+1)(x-1)+5x(x+3)+7 x(x²-1)+2x²（x+1)-3x（2x-5)计算 计算x^2-5x+6/x^2-1/x^2+x/x-3 计算：(x-1)(x^2-4X+3)-x(x^2-5X+2)有过程 计算:[(x+2)/(x+3) - (x+1)/(x+2) + (x+4)/(x+5) - (x+3)/(x+4) / (x^2 + 7x + 13)/(x^2 + 8x + 15) 计算(-2x+1)(-3x+5) 如何计算（x-1)(x-2)(x-3)(x-4)-(x^2-5x)^2-10(x^2-5x) 计算(x+2)/(x+1) - (x+3)/(x+2) + (x+4)/(x+3) - (x+5)/(x+4) 计算（x*x+4x+5）/（x+2）-（x*x+6x+10）/（x+3）+1 计算：5x-2[3x-2(3x+1)] 计算5x（2x² -3x+1） 计算：5x(x-2)-(x-2)(2x-3) (1-5x+5x^2-4x^3)/(x^2-x+1) 用直式计算