大师作文网二元一次方程和三元一次方程 求答~
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二元一次方程和三元一次方程 求答~
1.｛x/3+y/2=2
{x/3-y/2=7
2.{x：y=2：3
{3x+2y=24
3.{x-z=5
{x+y=-7
{z-y=-8
4.{2y+z=3
{x+3y-z=8
{x+y+2z=13
5.{x+2y+z=-1
{x-y+z=2
{x-2y-3z=-1
6.{x+3y-2z=16
{3x+y+4z=3
{2x-5y-2z=-24
7.{x+y+z=-1
{x-y+z=2
{x-2y-3z=-1
8.{2x+z=3
｛3x+y-z=8
{x+3y+2z=3
9.{5x+2y-3z=2
{x+2y+z=6
{7x-2y+4z=26
10.{y=2x-7
{x+y+z=1
{3x-z=4
1.｛x/3+y/2=2
{x/3-y/2=7
2.{x：y=2：3
{3x+2y=24
3.{x-z=5
{x+y=-7
{z-y=-8
4.{2y+z=3
{x+3y-z=8
{x+y+2z=13
5.{x+2y+z=-1
{x-y+z=2
{x-2y-3z=-1
6.{x+3y-2z=16
{3x+y+4z=3
{2x-5y-2z=-24
7.{x+y+z=-1
{x-y+z=2
{x-2y-3z=-1
8.{2x+z=3
｛3x+y-z=8
{x+3y+2z=3
9.{5x+2y-3z=2
{x+2y+z=6
{7x-2y+4z=26
10.{y=2x-7
{x+y+z=1
{3x-z=4
1.27/2,-5
2.4,6
3.-5,-2,-10
4.17/2,0.5,2
5.0,-1,1
6.0,5,-0.5
7.-5/8,-1.5,9/8
8.2,1,-1
9.27/13,11/26,40/13
10.2,-3,2
再问： 过程~~
2.4,6
3.-5,-2,-10
4.17/2,0.5,2
5.0,-1,1
6.0,5,-0.5
7.-5/8,-1.5,9/8
8.2,1,-1
9.27/13,11/26,40/13
10.2,-3,2
再问： 过程~~