X+Y+Z=9 3X+Y-4X=-14 5X+4Y+Z=22 急,有赏
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 20:43:07
xTn@+RDcwy &4A8ѴU@ڦH!Oxm'y8W]YMC`HdՔH
~?|?ȱMy\]-#6&ǝccHU QG$)WI#↉0<6BY]w1{])8}} ;y}907&1;mMoݜy,
hrjmDqgrqgr追}oxtsهe&Fgs.D^*T"S#a^{
NBRN?L|G0 1Ĕh>N!!o;t`U' iR^]e;S*WKzaV94cWf*)ʒz'(raZ@E.*ј2fjYD&Pu[[S[ Cj([gV!BŹ ah"hTPRPEGhe-^cns؎I5; &74r$JtfO8``<)FTT]1{368qng6շ&f"XO%
%X뉖W~
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
x+y=5 2x+3y-z=9 x-y+z=4
14x+4y+z=200,x+y+z=100求解x,y,z
x+y/2=z+x/3=y+z/4 x+y+z=27
x+2y=3x+2z=4y+z 求x:y:z
(x+y-z)(x-y+z)=
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
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
已知x-y/x+y=y+z/2(y-z)=z+x/3(z-x),求证8x+9y+5z=0THX..
x,y,z不是0.3z=4y,z=3x求(x+y):(x+z).
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
2x+y+3z=14 x-y+z=4 3x-y-z=2
{2x-y+3z=14 x-y+z=4 3x-y-z=2
已知2x+5y+4z=15.7x+y+3z=14 则x+y+z=?
{x+y+z=0 4x+2y+z=3 9x+3y+z=6
解方程组 x+y+z=5 2x-y-z=4 3x-2y-z=9
{x+y+z=0 {4x+2y+z=3 {9x+2y+z=6
2x+y-z=2 x-y+2z=2 3x+2y+4z=9