航天八院 802研究所:因式分解:(x+y+z)^5-x^5-y^5-z^5
来源:百度文库 编辑:杭州交通信息网 时间:2024/04/28 03:17:02
5*(x + y)*(x + z)*(y + z)*(x^2 + y*x + z*x + y^2 + z^2 + y*z)
5*(x + y)*(x + z)*(y + z)*(x^2 + y*x + z*x + y^2 + z^2 + y*z)
5(x + y)(x + z)((y + z)(x^2 + x y + y^2 + x z + y z + z^2)
因式分解:(x+y+z)^5-x^5-y^5-z^5
因式分解:(x+y+z)^5-x^5-y^5-z^5.
因式分解(x+y+z)^3-(y+z-x)^3-(z+x-y)^3-(x+y-z)^3
x+y+z=15 x+5y+10z=70 x,y,z,各是几?
x+y+z=15 x+5y+10z=70 x,y,z,各是几?
因式分解x^3(y^2-z^2)+y^3(z^2-x^2)+z^3(x^2-y^2)
下列式子不能用平方差计算公式算的是A(x-y-z)(-x+y+z) B(-2x+3y)(3y+2x) C(x+y+z)(x-y+z) D(-5-X)(X-5
若x : y : z =1 :3 :5 则x+3y-z /x-3y+z=? 若x /y+z=y /x+z=z /x+y=k 则k=?
求(2x-3y+z)-3{x-2[-z+(x-y)]-(3y-5x)}+1的结果是多少?
2x+5y+4z=0,3x+y-7z=0,则x+y-z=?