二元一次方程组练习题186.docx

1、二元一次方程组练习题186 2x2y=-8 5x2y=-4 5x9y=26 x3y=-1 x y=-2 x3y=0 5x4y=2 5x7y=2 9x3y=25 5x y=-4 4x2y=6 x y=-5 4x5y=-1 2x2y=-3 7x2y=-19 2x3y=-1 x y=6 x y=2 4x4y=2 x2y=5 5x2y=-29 5x y=-8 2x5y=9 x3y=-6 3x y=4 9x3y=6 2x y=-26 x3y=4 5x2y=9 5x4y=0 4x5y=-3 7x7y=-8 9x3y=-30 5x y=-6 4x3y=-8 2x5y=-7 2x2y=7 9x6y=9 4x5

2、y=21 4x4y=5 x3y=-1 x4y=-4 3x y=0 2x3y=8 4x y=-29 2x y=-9 4x y=-4 2x5y=-2 5x2y=4 7x3y=6 x9y=21 4x4y=0 5x3y=8 x4y=0 5x3y=9 2x6y=2 6x7y=-7 3x4y=-2 2x4y=-2 x2y=-4 4x5y=7 3x4y=-5 5x y=-23 4x3y=3 2x5y=-8 2x y=2 3x y=-7 6x5y=-7 x8y=-18 5x4y=-6 4x5y=-8 4x2y=-1 5x4y=3 2x6y=3 6x3y=-21 3x2y=-9 x4y=7 5x2y=5 3x4

3、y=-6 3x9y=-2 8x2y=-23 4x4y=-2 2x5y=1 x3y=2 4x4y=-7 3x6y=9 3x5y=24 3x y=1 3x5y=-7 2x4y=-5 x y=1 9x9y=-3 6x6y=11 x3y=7 3x5y=-9 5x2y=1 x4y=-6 2x3y=1 4x9y=-8 2x3y=-2 3x5y=9 x5y=-7 2x3y=4 3x9y=-9 5x y=27 x2y=7 5x4y=2 x3y=1 2x2y=-1 3x6y=-4 8x4y=6 3x y=-9 4x2y=8 2x2y=9 x2y=0 2x6y=-3 9x9y=-25 4x3y=6 2x3y=6

4、3x y=1 2x y=-3 7x3y=-7 4x y=-25 5x4y=6 x4y=6 2x4y=-3 2x4y=7 8x y=-4 6x4y=-30 4x5y=9 5x3y=6 4x2y=-5 2x y=1 8x7y=0 x y=-6 4x3y=1 3x y=5 x y=9 x y=-4 3x4y=0 3x4y=-29 3x4y=3 4x y=8 3x3y=-9 x4y=-3 5x7y=9 9x8y=26 3x3y=-3 4x3y=6 5x2y=-8 x5y=-7 8x y=9 5x6y=-27 2x4y=7 2x5y=-7 2x y=5 3x5y=5 9x8y=9 x9y=11 4x2y

5、=1 5x2y=-5 5x3y=1 2x5y=-1 7x5y=-5 6x3y=30 4x3y=9 2x5y=-4 5x5y=4 3x3y=1 x9y=5 x4y=7 4x y=4 3x5y=4 x5y=1 3x4y=-8 7x4y=6 4x3y=-14 2x3y=4 5x5y=-1 3x y=9 4x5y=-4 5x y=1 x6y=9 5x4y=0 x2y=7 5x3y=9 x3y=1 x y=0 5x3y=10 5x3y=5 x2y=1 2x3y=-6 2x4y=9 5x6y=-5 5x8y=-27 5x5y=0 4x3y=-5 x y=7 2x y=8 8x8y=1 6x5y=16 x3

6、y=0 x2y=-4 2x4y=-4 x4y=-2 8x6y=9 x9y=-29 4x3y=-8 x3y=7 5x5y=4 x4y=7 3x6y=2 8x2y=24 2x5y=-7 2x2y=-3 2x2y=5 3x2y=5 6x y=-8 9x4y=1 3x3y=7 5x3y=-6 5x5y=-6 2x5y=-1 2x7y=-6 9x4y=-26 x5y=2 3x3y=4 x4y=6 3x4y=-3 2x y=-9 6x3y=-21 3x y=-1 3x5y=-6 4x3y=-2 x5y=-2 8x8y=4 6x2y=-9 x2y=8 3x5y=-9 2x2y=4 4x5y=-9 2x8y=

7、1 2x3y=-25 4x5y=0 4x4y=1 x2y=3 x5y=-4 x9y=8 5x7y=23 5x3y=-1 5x3y=-4 3x5y=-8 2x5y=-3 x4y=-8 5x9y=22 5x y=-4 x2y=6 2x2y=-5 3x5y=3 8x9y=9 9x3y=10 2x2y=-6 2x2y=-3 4x2y=1 3x3y=-4 2x2y=-2 6x5y=23 3x2y=0 3x5y=1 5x4y=9 5x5y=-4 8x4y=-1 4x6y=-17 5x3y=9 3x5y=2 3x2y=-7 2x4y=1 7x7y=-9 8x2y=-8 3x y=8 x3y=5 5x y=-

8、7 5x2y=-6 7x2y=3 7x7y=-26 x5y=-7 2x3y=7 5x2y=2 5x y=-6 3x5y=8 7x7y=-12 2x4y=8 2x2y=1 3x y=0 2x4y=2 7x4y=2 2x6y=-7 x y=5 x5y=2 5x4y=-7 4x3y=0 4x5y=-8 x6y=-26 4x2y=-9 x y=-9 x4y=7 4x2y=-3 2x8y=-5 4x7y=28 5x2y=-2 x y=2 4x2y=-8 x y=-8 x6y=0 3x y=21 5x3y=-6 3x5y=-7 3x2y=1 3x4y=-8 4x6y=-6 5x4y=9 5x y=8 5x

9、4y=-5 3x2y=-6 x2y=-7 2x y=-4 7x5y=7 5x4y=6 2x2y=-8 x3y=2 3x y=8 7x8y=-7 3x6y=19 5x y=-5 x4y=-2 4x5y=-8 4x3y=-7 5x5y=-7 3x9y=12 3x2y=6 5x5y=7 3x y=9 x5y=2 5x2y=5 4x4y=13 2x y=-7 5x4y=2 2x2y=-4 5x2y=4 8x6y=8 8x y=18 2x5y=0 x4y=8 3x3y=-3 5x3y=-4 9x8y=5 4x4y=5 2x3y=-9 5x2y=-1 2x5y=7 2x5y=4 3x9y=7 x6y=29

10、 4x4y=-7 x3y=-5 3x2y=1 2x3y=7 9x7y=-6 5x8y=8 4x2y=-2 5x4y=7 2x5y=3 4x5y=3 x9y=-7 x8y=10 4x5y=7 4x2y=6 2x y=3 3x4y=5 7x y=0 2x5y=-20 2x2y=1 3x3y=4 4x4y=-4 5x y=4 8x9y=3 3x4y=-16 5x5y=-9 4x5y=-8 2x2y=2 4x y=-3 9x9y=7 9x8y=10 x4y=-4 4x5y=-1 5x2y=0 3x4y=-3 8x y=8 3x y=-8 2x5y=9 x3y=-1 4x3y=-3 3x2y=-9 8x

11、4y=0 2x3y=-13 5x2y=0 3x4y=3 3x3y=3 4x4y=3 5x9y=-7 8x3y=8 3x5y=-3 x3y=-6 5x5y=4 4x5y=8 3x3y=-9 8x7y=-11 2x5y=-3 x y=-5 2x y=-1 x y=7 7x8y=-3 6x y=11 5x3y=-7 2x5y=6 5x3y=-6 5x4y=0 x4y=2 6x y=-25 3x2y=5 3x4y=2 3x5y=8 3x2y=-3 8x3y=2 5x4y=-18 4x5y=1 3x4y=1 x y=3 x4y=5 7x3y=-8 6x6y=26 5x y=-4 2x5y=-8 5x3y=2 x y=-3 x3y=-9 3x7y=21 5x2y=-5 5x y=8 2x4y=-9 4x2y=0 x2y=9 4x9y=-8 3x y=6 2x5y=2 3x3y=-6 3x y=1 x y=2 7x8y=-30 4x y=5 x3y=-1 3x3y=-5 3x4y=-1 9x y=4 7x7y=22 4x y=-6 3x4y=-7 5x y=3 x4y=-3 2x3y=7 5x6y=13 x4y=-8 4x3y=8 3x5y=-1 x5y=-8 9x3y=-1 2x5y=-25 x4y=2 5x4y=-4 3x y=4