x=1,y=2;x=2,y=3;x=3,y=6;Z=x*y求z,怎么用matlab编写程序
x=1,y=2;x=2,y=3;x=3,y=6;Z=x*y求z,怎么用matlab编写程序
怎么编写绘制 z=x^2+y^2图形的Matlab程序.
如果|x+y+z-6|+|2x+3y-z-12|+|2x-y-z|=0求x,y,
试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y)
已知x::y:z=3:4:5,(1)求x+y分之z的值;(2)若x+y+z=6,求x,y,z.
解方程组2x+y-3z=1,x-2y+z=6,3x-y+2z=9求x,y,z的值
如果,根号x-3+| y-2 |+z^2=2z-1 求 (x+z)^y
x/2=y/3=z/5 x+3y-z/x-3y+z
x=y/z=z/3,x+y+z =12,求2x+3y+4z是多少,
已知x、y、z满足方程组:x+y-z=6;y+z-x=2;z+x-y=0 求x、y、z的值
(x+y-z)(x-y+z)=
5x+3y+2z=2011 4x+6y+7z=2012 求x+y+z