(1+5%)x-9x/10*(1+10%)=6.6怎么算?
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-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+11x+12x+13x+14x+15x=550
5x-4/x-2=4x 10/3x-6-1 怎么解
根号下(5x^2+10x+1)+x^2+2x=7怎么解
x(x-1)分之一+x(x+1)分之一+········+(x+9)(x+10)分之一=12分之11 怎么算?
(x+5)^2=10+(x+5)x怎么算
1x()+2x()+3x()+4x()+5x()+6x()+7x()+8x()加9x()+10x()=1980
1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少
已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2
x-1/10-110=x/6怎么算