因式分解:x³-8y³-z³-6xyz
2003x³=2004y³=2005z³,xyz>0,且³√2003x²
已知x,y,z为正整数,且满足x³-y³-z³=3xyz,x²=2(y+z),求
已知:x+y+z=1,x²+y²+z²=2,x³+y³+z³
已知x+y+z=3,x²+y²+z²=19,x³+y³+z³
因式分解8A³B²+6A³B²C-12AB³C
(x+y)²-(x³+y³)÷(x+y)
x³y³-x²y²-xy+1
7-2xy-3x²y³+5x³y²z-9x⁴y³z&sup
因式分解 x³-6x²+9x
数学整式除法计算:(1)(7x²y³-8x²y³z)÷8x²y&sup
因式分解:m³-2m²-4m+8;x²-2xy+y²-9
(x-y/x+2y)³