计算:(4x^2—x+1)/(3-10x+3x^2)—(2x^3—6x^2+4x)/(6x—20x^2+6x^3),一线
计算:(4x^2—x+1)/(3-10x+3x^2)—(2x^3—6x^2+4x)/(6x—20x^2+6x^3),一线
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
x/x-3-5x/x^2-x-6计算
约分 (X的平方+4x+3)(2x-x)^/(X^+X)(X^+X-6),
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
计算:(x-1)/(x^2+3x+2)+6/(2+x-x^2)-(10-x)/(4-x^2)
x^2+x-6分之x^2+3x-x^2-4分之x+2计算
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
计算:(x+1)(x-2)(x-3)(x-6)
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1