计算1/x-3 - 6/x*x-9 - x-1/6-2x
计算:(x+1)(x-2)(x-3)(x-6)
计算1/x-3 - 6/x*x-9 - x-1/6-2x
计算x^2-5x+6/x^2-1/x^2+x/x-3
|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
计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)
x/x-3-5x/x^2-x-6计算
数学计算(9x平方-6x+1)÷(x-2)×(2x-(x)的平方)÷(3x-1)
计算:(2/3x√9x+6x√y/x)+(y√x/y-√1/x)
x+2/x^2-x-6 + 2x/x^3-3x - x+1/x^2-6x+9
(x+2/x^2-x-6)-(2x/x^2-3x)-(x+1/x^2-6x+9)
计算:(x-1)/(x^2+3x+2)+6/(2+x-x^2)-(10-x)/(4-x^2)