x:y=9:8 x:z=3:2 4x-2y+3z=763x+4y+z=14x+5y+2z=172x+2y-z=32道计算,在线急等,速度加悬赏!.麻烦有过程.谢谢!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 09:30:35
![x:y=9:8 x:z=3:2 4x-2y+3z=763x+4y+z=14x+5y+2z=172x+2y-z=32道计算,在线急等,速度加悬赏!.麻烦有过程.谢谢!](/uploads/image/z/3763014-6-4.jpg?t=x%3Ay%3D9%3A8+x%3Az%3D3%3A2+4x-2y%2B3z%3D763x%2B4y%2Bz%3D14x%2B5y%2B2z%3D172x%2B2y-z%3D32%E9%81%93%E8%AE%A1%E7%AE%97%2C%E5%9C%A8%E7%BA%BF%E6%80%A5%E7%AD%89%2C%E9%80%9F%E5%BA%A6%E5%8A%A0%E6%82%AC%E8%B5%8F%21.%E9%BA%BB%E7%83%A6%E6%9C%89%E8%BF%87%E7%A8%8B.%E8%B0%A2%E8%B0%A2%21)
x:y=9:8 x:z=3:2 4x-2y+3z=763x+4y+z=14x+5y+2z=172x+2y-z=32道计算,在线急等,速度加悬赏!.麻烦有过程.谢谢!
x:y=9:8 x:z=3:2 4x-2y+3z=76
3x+4y+z=14
x+5y+2z=17
2x+2y-z=3
2道计算,在线急等,速度加悬赏!.
麻烦有过程.谢谢!
x:y=9:8 x:z=3:2 4x-2y+3z=763x+4y+z=14x+5y+2z=172x+2y-z=32道计算,在线急等,速度加悬赏!.麻烦有过程.谢谢!
上面的是X=18;Y=16;Z=12下面的是X=1;Y=2;Z=3
已知x-y/x+y=y+z/2(y-z)=z+x/3(z-x),求证8x+9y+5z=0THX..
(4x-2y-z)-{5x-[8y-2z-(x-2y)]-x-(3y-10z)}=?
X/10=Y/8=Z/9,则X+Y+Z/2Y-3Z
x+y=5 2x+3y-z=9 x-y+z=4
x+2y=3x+2z=4y+z 求x:y:z
x+y/2=z+x/3=y+z/4 x+y+z=27
(x*x+2)(y*y+4)(z*z+8)=64xyz,求x,y,z
(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=? kuaihuajian
(4x-2y-z)-{5x-[8y-2z-(x+y)]-2(3y-10z)}=?好难啊
解下列三元一次方程组:(1)x-z=4,x+y-z=-1,2y-z=1 (2)3x+4z=7,2x+3y+z=9,x-y+z=8
已知:2X-3y+2z=0,x+4Y-9/2z=0求:X:Z的值.X:y:Z的值.X+2y+X/X+y+Z的值. 已知:2X
三元一次方程x+y+z=0 4x+2y+z=3 9x+3y+z=6x+y+z=04x+2y+z=3 9x+3y+z=6
2x+z=10 x+y-z=4 3x-y-z=0
解方程 x+y+z=0 4x+2y+z=3 9x-3y+z=28解方程x+y+z=04x+2y+z=39x-3y+z=28
三元一次方程组,1.x-2y+z=9 2x+y+3z=10 3x+2y1.x-2y+z=92x+y+3z=103x+2y-z2.3x-5y+2z=14x+5y-z=5X-5y+3z=-23.7x+2y-z=76x-y+z=74x+3y+z=94.4x+3y-2z=-75x-6y+z=12x+z=-25.2x+3y-4z=-23x-2y+5z=262x+5z=31
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)(x+z)=x,(y+z)(y+x)=2y,(z+x)(z+y)=3z,求x,y,z
2x+y-z=2 x-y+2z=2 3x+2y+4z=9