方程组:X+Y+Z=3.3 X/3+Y/4+X/5=51/60 Z/3+Y/4+X/5=53.4/60
方程组:X+Y+Z=3.3 X/3+Y/4+X/5=51/60 Z/3+Y/4+X/5=53.4/60
解方程组:x+y+z=4,x+y+2z=5,3x+y-z=6
已知方程组4x-5y+2z=0 x+2y=3z 则x:y:z
已知x,y,z满足方程组:4x-5y+2z=o;x+4y-3x=0,求x:y:z的值
解方程:X+y+z=3.3 X/3+Y/4+Z/5=51/60 X/5+Y/4+Z/3=53.4/60
三元一次方程组2x+z=3 3x+y-z=8 x+3y+2z=3 5x+2y-3z=2 x+2y+z=6 7x-2y-4
{x+y+z=3.3x/3+y/4+z/5=51/60x/5+y/4+z/3=53.4/60(解这个三元一次方程组,因为
方程组{4x-3y-3z=0,x-3y+z=0,(x.y.z不等于0),求x/z和y/z的值?
方程组3x+4y+z=14 x+5y+2z=17 2x+2y-z=3 解方程组
解下列方程组(1)3x-y+z=3 2x+y-3z=11 x+y+z=12(2)5x-4y+4z=13 2x+7y-3z
解三元一次方程组1、x+y-z=4 2x-y+z=5 x-3y+z=-2 2、y+2z=-2 3x+y-4z=1 2x-
解方程组x-y-3z=4 3x+y-z=6 -x+3y+z=8