3x+6y-2z=-62x+y+4z=19-5x-2y+8z=62
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/26 00:54:51
xS@+V3wA4 hk1 bW!D
*ذ-%
|MD%Y˂ƒu}ܪe. d94V_5uQ;n՜ g:=i ?dݙӓzh!dużZgS7?ACx3G#@ uAq 1Fc"ǒY!U f[8UT$_bIIeZ+`MRAZibF!3a] $Pךٕn==Շ[GtQc>m'9A<.?ؾ~e}:`YU_`k6O/۷o\)i@K{Mz"RgE?}9 I 3 pi2i% @<]h#QaO[Rg$Nerk;<9
z R}N
x+y+z=6 x+2y+3z=14 y+1=z
x+y-z=6 x-3y+2z=1 3x+2y-z=4 阿
x+y-z=6,x-3y+2z=1,3x+2y-z=4
x+y-z=6 x-3y+2z=1 3x+2y-z=4
x+y-z=6 x-3y+2z=1 3x+y-z=4
x-y+z=-1 5x+2y-z=6 4x-3y+2z=-5
x+y+z=1 4x+5y-z=6 x+2y-z=3
1.{x:y:z=3:4:5 2x+3y-5z=-142.{x-y-z=-1 3x+5y+7z=11 4x-y+2z=-13.{x+y=1 x+z=0 2x+y+2z=44.{x-y+z=-3 2x-y-z=-2 -3x+y+z=-15.{x-y+z=-3 3x+y-4z=6 2x+y-z=36.{x-2y+5z=16 2x+y-5z=7 2x-y+z=38
x+y-z=6(1) x-3y+2z=1(2) 3x+2y-z=4(3) 求X Y Z 的值
解三元一次方程组 ①2x-y+z=1 3x+y -2z=2 X+2y-z=3 ②x-4y+z=-3 2x+Y-Z=18 X-Y-Z=7 ③4x+4y+2z=7 6X-4y-z=6 2x-y+z=1
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.
3x-y+z=4,2z+3y-z=12,x+y+z=6的解
x+y/2=z+x/3=y+z/4 x+y+z=27
x+2y=3x+2z=4y+z 求x:y:z
..1.x+y+z=26,2.4y+3z=7,y-z=1,3x+2z=17,x+2y-z=18 9x-7y=173.x-7y+3z=17 4.2x+4y+3z=95x-6y-z=24 3x-2y+5z=113x+7y-2z=1 5x-6y+7z=131.x+y+z=26,y-z=1x+2y-z=18 2.4y+3z=7,3x+2z=11,9x-7y=17 3.x-7y+3z=17 5x-6y-z=24 3x+7y-2z=14.2x+4y+3z=93x-2y+5z=11 5x-6y+7z=13
三元一次方程(需过程!)(1)x+y=-2y+z=1z+x=13(2)3x+2y+z=4x+y+z=103x+3y-z=1(3)2x+y+z=2x+2y+z=4x+y+2z=6(4)6x-3y+z=83x+y+4z=3x-2y+3z=-3
4X+3Y-2Z=-7,5X-6Y+Z=1,2X+Z=-2
4X+3Y-2Z=-7,5X-6Y+Z=1,2X+Z=-2