5X+6(X+10)+10(X+30)+6(X+70)+3(X+150)=2730,X等于多少
5X+6(X+10)+10(X+30)+6(X+70)+3(X+150)=2730,X等于多少
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
x+2x-3x-4x+5x+6x-7x.-196x+197x+198x-199x-200x 等于多少
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
6x+3x-5x等于多少?
x²+3x=10解x等于多少
x²+3x=6,问x等于多少
3x-x-5x等于多少?
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)求X等于几?
0 X 3 X 5 X 6 +(32 X 56 ) + 3 X 0 +1255等于多少?