(170-X)*1/3-1/4X=10
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
(x-1)^3(x+1)(x-2)/(x+4)
(x+1)(x+2)(x+3)(x+4)+1
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),
(x+2/x+1)-(x+4/x+3)-(x+3/x+2)+(x+5/x+4)
X+7/X+1+X+8/X+2-X+9/X+3-X+10/X+4 的解法
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
解方程:x(2X-3)+2x(x-1)=4x(x-2)+9
3/x-1=4/x 6/x+1=x+5/x(x+1)
(x+1分之x+6)-(x^+3x+2分之3x^+10x+4)+(x+2分之2x+1)=0,解这个方程