1.(x+1)³=(-5)³ 2.x-(根号9)³-27<0
不论X取任何值,代数式(X³+5X³+4X-1)-(-X²-3X+2X³-3)+
(1)(2x+1)²+|y-3|=0 则2x³-y³=?
找规律(要有讲解哦)1³=11³+2³=91³+2³+3³=
说明理由(5x³-7x³y+3x³y)+2x³-(-7x³y+3x&s
1已知X-Y=XY=3求(X+Y)²及X³-Y³的值
(x-y/x+2y)³
8.57m³=( )dm³ 458cm³=( )dm³
1、(22223³+11112³)÷(22223³+11111³)
已知x,y满足x²+y²-4x-6y+13=0,求(-y/x³)³÷(-1/xy
f(x)=x³+2/x的奇偶性,
化简再求值 4x³(-y³)²-3x×(-x)²(-y²)³
已知根号下(a³+64)+绝对值(b³-27)=0,求(a+b)立方根.