化简:[x+1 -(15/x-1)] * (x-4/x-1)
化简:[x+1 -(15/x-1)] * (x-4/x-1)
(1+x)(4-x)
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
将[(X+3/X^2-4)-(-X/6-X-X^2)]/[1-(X^2-3X-15)/(X^2+X-6)]化简
化简{x²-2x分之x+2-x²-4x+4x分之x-1}除以X分之(x-1)(X-4)乘以(2-x)
化简:x(x^2+x)/x^2(x^2-1)
化简:1x(x+1)+1(x+1)(x+2)+1(x+2)(x+3)+1(x+3)(x+4)
化简:1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)
化简3x^2(x-1)-3x(x^2+1)+4x(2X-5)
|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