(9x³-6x²+3x)÷(-3x)
(2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3)
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
分式计算x²+2x/x²-6x+9÷x²-4/x²-3x
x²+2x/x²-6x+9÷x²-4/x²-3x ,
分式计算:x²+2x/x²-6x+9÷x²-4/x²-3x
X²-6x+9 x²-9 x+3
(x²-6x+9)÷x+3分之x²-9x+18,计算
2x^6×x³-3x^9+5x²×x^7等于多少
x²+3x+9/(x²-27)+6x/(9x-x²)-(x-1)/(6+2x)
(9x³-6x²+3x)÷(-3x)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?