X-1/6X-1/5X＝33

X-1/6X-1/5X＝33 |X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10| 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 已知3x*x-x=1,求6x*x*x+7x*x-5x+2000 (5x+1)X(6x+2) 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x 6/x+1=x-5/x^2+x 1/(x+3)-(x-2)/(x^2-5x+6) 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 设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), 已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值 解方程(x-6)(x^2+x+1)-x(x+1)(x-1)=x(2-5x)