(x^2-6x+9)÷(x-3)

(2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3) |X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10| x^2-x/x+1÷x/x+1 ；x^2+6x+9/x^2-9÷x+2/x-3；2/a÷4/a 计算：(x^3-3x^2)/(x^2+5x+6)÷(x^3-9x)/(x^2+2x-3)*(x+2)/(2x) x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? (1-x/3-x)^2÷(x^2-6x+9/9-x^2)*1/x^2-2x+1 分式计算x²+2x／x²-6x+9÷x²-4／x²-3x x²＋2x/x²-6x+9÷x²-4/x²-3x , 分式计算：x²+2x／x²-6x+9÷x²-4／x²-3x 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+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)