6X-9=10X-45 求X

6X-9=10X-45 求X 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) 1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少 10X-35 =9 -6X 求x x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? x+6x=10x求x? 已知x=1/x,求x^2-6x+9/x-3/x+3/x^2+6x+9 (x-2)(x*x-6x-9)=x(x-5)(x-3),求6x的算术平方根 求方程解x-5/x-4+x-9/x-8=x-8/x-7+x-6/x-5 x-4／x-5-x-5／x-6=x-7／x-8-x-8／x-9求大神帮助 已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2+4x+4)]/[(x^2-x+1)/(x-2)] (x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5) 求x:x(10^x)=100 2x×x=10,求x 当x=9/2时,求(x^2+7x+10)/(x^2+6x+5)×(x^3+1)/(x^2+4x+4)÷(x^2-x+1)/(x+2) 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),求f’（1） 已知(x-2)(x²-6x-9)=x(x-5)(x-3),求6x的算术平方根