二元一次方程组练习题190.docx

1、二元一次方程组练习题190 x2y=1 8x2y=-3 2x6y=6 3x y=1 4x4y=5 4x4y=-9 3x3y=-3 2x2y=-6 5x6y=4 2x5y=-4 3x4y=-7 4x5y=-8 4x4y=0 2x9y=8 3x9y=20 2x5y=-6 2x4y=2 3x y=-6 x y=2 x8y=-7 4x9y=-4 5x5y=-3 x3y=2 3x y=-5 4x y=2 8x4y=1 3x2y=-15 2x5y=6 4x y=6 4x3y=-4 x4y=3 3x3y=8 4x4y=27 2x4y=0 2x4y=-1 4x5y=3 2x y=5 3x8y=2 9x2y=1

2、8 4x2y=3 3x4y=6 5x5y=0 x3y=-4 3x y=4 3x3y=9 x5y=-3 2x2y=3 3x2y=-7 x y=-8 3x7y=-3 5x7y=19 4x4y=-2 4x y=-6 5x3y=-4 4x3y=-2 3x7y=-1 3x7y=-2 5x5y=-5 x y=-8 5x3y=-5 2x2y=-5 6x4y=9 8x5y=15 2x2y=6 x4y=-8 5x2y=6 4x2y=7 5x y=1 6x8y=15 3x3y=2 4x2y=4 3x3y=-8 2x3y=-6 4x3y=8 4x9y=13 4x4y=0 2x5y=-6 3x y=9 4x5y=-5

3、 x7y=3 2x2y=14 x3y=-3 x2y=-3 3x2y=5 x5y=-1 3x9y=-3 6x9y=-10 4x4y=-2 3x5y=2 x5y=1 5x3y=9 4x8y=-6 2x2y=7 3x3y=3 3x y=9 2x2y=4 2x5y=-9 2x9y=4 9x4y=29 5x5y=6 5x2y=-8 3x3y=-8 x2y=-4 9x3y=-6 8x4y=24 x3y=0 4x4y=5 3x3y=0 2x4y=-6 5x6y=8 x8y=2 x y=9 4x2y=-3 x y=-8 3x y=5 5x5y=-1 6x2y=15 x3y=-1 3x5y=6 3x3y=3 5

4、x5y=3 x8y=8 6x6y=-1 3x2y=-3 4x5y=-8 5x y=-3 x5y=0 6x y=2 9x6y=23 3x2y=-8 3x2y=2 5x4y=5 3x4y=6 3x y=9 9x9y=-8 4x4y=7 5x3y=-1 x5y=-6 3x2y=0 2x y=-7 8x5y=20 4x4y=-8 x5y=8 3x2y=5 2x2y=-4 2x9y=-2 9x7y=15 2x3y=9 5x3y=-7 3x2y=-7 2x5y=-9 9x4y=-9 2x3y=-16 3x4y=-3 2x y=-5 x2y=-9 3x y=8 2x3y=-1 7x4y=21 2x3y=9

5、x y=4 x4y=7 2x y=7 5x3y=7 7x3y=-27 4x4y=-9 x2y=0 2x3y=7 2x5y=0 3x6y=2 5x6y=-13 2x2y=-7 3x3y=-6 4x y=9 x3y=6 3x5y=9 9x4y=19 4x y=3 x5y=-4 5x2y=1 4x3y=2 x5y=9 4x7y=-24 3x5y=0 x2y=-1 4x2y=4 5x5y=1 x2y=-7 x3y=-25 x5y=-1 3x2y=2 5x y=-6 x2y=-5 3x8y=-8 6x5y=22 4x5y=1 2x4y=0 x5y=-4 x3y=4 5x5y=4 x3y=1 2x5y=-

6、1 4x5y=0 5x4y=2 x2y=0 6x9y=-2 3x7y=-24 3x4y=0 4x4y=1 4x3y=3 4x5y=-5 8x2y=7 2x4y=11 x4y=-4 5x5y=5 4x3y=3 x5y=-1 7x8y=-7 5x4y=-23 3x5y=-8 2x2y=8 3x5y=-2 3x3y=-1 6x8y=-4 x2y=-21 x3y=3 x4y=-5 3x5y=2 4x3y=7 9x y=-3 5x6y=8 4x5y=2 2x3y=2 5x3y=-5 5x5y=8 x2y=-8 6x2y=6 x3y=-2 5x2y=-2 5x y=-4 3x y=-5 2x7y=2 4x

7、5y=22 4x3y=8 4x3y=4 5x y=1 2x3y=-9 7x4y=-3 8x3y=2 x3y=-9 4x y=7 4x5y=2 4x3y=7 7x6y=8 8x8y=-8 2x5y=-7 4x y=7 4x5y=-2 x2y=6 2x y=5 x y=15 4x4y=-5 3x y=4 2x2y=-2 2x5y=4 4x6y=-7 8x9y=1 5x4y=-5 2x2y=-5 x y=-6 5x3y=7 8x2y=7 2x y=3 x5y=9 3x5y=-6 4x4y=7 5x3y=-3 7x7y=-3 x5y=-20 2x y=-3 5x2y=9 5x3y=-1 x y=-5

8、3x y=-3 8x9y=-14 3x3y=9 2x4y=3 5x4y=4 x2y=-7 2x y=2 3x8y=6 4x2y=-5 x5y=-6 5x3y=3 4x5y=9 4x6y=-1 9x y=4 4x5y=-3 5x y=-4 3x5y=1 3x2y=-4 9x3y=-1 2x y=19 x5y=9 4x y=7 4x2y=5 5x4y=5 3x y=7 9x9y=15 5x y=0 2x4y=-6 4x3y=-1 4x2y=-5 5x8y=1 x6y=-14 5x2y=-8 2x y=-1 x y=6 2x4y=-9 4x3y=-5 2x6y=16 5x3y=-7 x y=1 5x

9、4y=8 3x4y=8 x6y=5 x6y=13 x y=-6 5x y=8 3x y=-9 5x5y=7 x9y=2 6x3y=18 3x5y=-9 x3y=-2 5x4y=4 3x y=-6 5x9y=8 4x5y=-18 2x4y=2 2x3y=-3 4x4y=-6 4x3y=7 x3y=-1 2x y=-22 5x y=9 3x4y=-3 2x4y=0 3x4y=-1 9x2y=-6 6x3y=12 x y=-8 5x2y=-6 2x2y=-9 3x4y=3 4x9y=8 x9y=-18 2x2y=5 2x4y=-7 3x2y=-8 x4y=1 5x y=2 3x5y=25 5x y=

10、-5 x5y=5 4x4y=-8 5x2y=2 9x y=-1 4x6y=21 5x2y=8 4x4y=2 5x4y=-5 x5y=9 4x7y=-7 4x8y=-30 x5y=-1 x5y=8 4x2y=1 3x y=-4 3x9y=-4 5x8y=23 5x2y=2 2x y=2 2x3y=-9 4x5y=6 2x5y=9 3x3y=-25 2x2y=-8 3x y=1 4x5y=4 3x y=-2 x2y=7 x9y=-27 2x2y=7 2x2y=-9 3x3y=1 2x4y=3 8x2y=9 7x5y=-29 3x5y=-6 2x3y=-6 x2y=4 4x5y=-7 2x4y=4

11、9x8y=-4 3x3y=8 3x3y=-4 5x y=-5 x2y=-7 4x y=9 8x5y=2 5x y=1 2x y=0 4x4y=4 3x3y=2 6x7y=-8 3x7y=19 3x5y=9 4x y=4 4x2y=-9 4x y=0 5x6y=4 9x y=16 x3y=-3 4x y=-5 2x2y=-9 x3y=4 8x8y=-3 8x2y=-26 3x3y=1 x3y=3 2x y=4 5x4y=-1 x y=0 2x4y=8 4x5y=7 3x3y=-5 4x5y=7 x2y=1 9x5y=9 x9y=-9 5x4y=-8 4x5y=7 x4y=8 3x y=-8 6x9y=-8 3x2y=-25 x y=2 x5y=4 2x5y=6 3x5y=-6 6x3y=-5 3x6y=-1 x5y=-3 4x5y=3 4x2y=-9 x3y=-5 9x3y=-1 8x9y=-9 4x5y=-8 5x5y=0 2x3y=-6 4x2y=9 2x8y=-9 5x8y=-5 3x y=-1 2x3y=-1 5x2y=-5 2x y=-9 9x6y=-2 5x4y=2 3x4y=-5 3x5y=-5 4x4y=-5 x y=6 7x9y=-1 9x3y=4 5x5y=5 5x y=8 5x y=9