二元一次方程组练习题30.docx

1、二元一次方程组练习题30 2x4y=-6 9x2y=-8 9x2y=15 x4y=-8 5x3y=0 5x5y=-3 4x3y=4 9x9y=9 2x8y=7 2x y=-8 x3y=-2 4x2y=1 x2y=5 2x9y=2 4x4y=-18 3x5y=8 5x2y=-6 x y=5 x5y=1 2x8y=2 5x5y=-4 4x y=3 4x5y=0 4x5y=2 3x5y=5 4x y=-2 6x5y=12 3x y=8 2x5y=5 3x3y=-4 2x5y=-3 9x7y=-1 7x4y=-14 2x2y=-1 4x3y=-3 x3y=1 x3y=-2 7x6y=0 9x9y=-1

2、7 4x3y=-5 4x4y=-8 3x2y=4 2x y=-3 5x3y=-4 5x7y=-28 2x y=-5 5x4y=4 3x4y=3 x2y=4 3x8y=-3 9x7y=12 2x3y=0 5x2y=7 3x3y=-7 5x5y=5 2x y=-4 6x7y=-2 3x3y=7 3x4y=3 4x4y=4 2x2y=7 x y=8 6x5y=6 4x5y=0 x5y=6 4x y=-9 5x2y=-9 7x5y=-7 9x5y=13 3x4y=-9 2x4y=-1 2x3y=-3 3x4y=-6 5x4y=-1 4x4y=-7 4x y=-5 x2y=2 3x y=8 4x4y=6

3、 8x5y=0 6x6y=-13 x5y=-4 3x4y=-7 x5y=2 5x2y=8 3x4y=-9 3x7y=-15 3x2y=-8 2x5y=-9 4x3y=-8 x5y=-1 3x9y=9 x2y=30 x2y=-8 x2y=7 x2y=-8 5x3y=9 5x9y=-1 9x6y=24 5x3y=2 4x5y=3 3x y=-2 3x5y=1 9x8y=-3 3x7y=2 5x2y=-1 x y=7 3x4y=2 3x3y=-7 4x y=-2 5x9y=14 x y=9 2x2y=-1 3x y=-5 4x2y=-3 7x3y=8 7x3y=-19 5x2y=4 5x5y=-6

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

5、5x4y=8 5x2y=2 3x y=-4 9x5y=8 6x y=10 4x4y=-8 2x5y=3 x5y=1 4x2y=-9 4x5y=3 2x4y=-26 4x5y=9 4x3y=3 5x4y=-7 4x y=4 8x4y=2 6x8y=-1 2x5y=-9 x4y=7 2x5y=6 4x4y=-4 4x9y=-9 2x8y=29 2x4y=-9 4x y=-9 3x5y=1 5x y=5 8x7y=6 x7y=-27 x2y=7 2x2y=-3 x3y=-2 4x4y=5 7x3y=1 4x5y=-8 3x5y=8 5x5y=-9 x5y=-2 5x2y=8 7x4y=9 3x7y=

6、-9 5x5y=8 2x y=6 2x5y=-4 4x5y=6 4x5y=-8 4x3y=23 4x2y=0 4x y=0 3x2y=-5 x5y=5 5x3y=-2 4x y=17 3x y=3 4x4y=-4 3x5y=4 4x y=-4 x8y=4 9x4y=-24 5x y=8 3x y=-2 x y=7 4x4y=1 3x5y=-5 7x3y=-5 3x y=0 3x4y=8 5x2y=-7 4x3y=-5 5x4y=0 3x9y=16 x5y=3 x5y=2 2x3y=-5 3x3y=-3 9x7y=-7 9x5y=-17 x5y=3 4x3y=9 2x y=4 2x2y=4 x8

7、y=-3 2x9y=19 3x2y=-6 4x y=-3 5x4y=-3 3x5y=-8 7x9y=-9 x5y=13 5x2y=-1 x4y=9 2x2y=-9 5x y=8 4x2y=-5 4x y=-13 4x3y=4 x y=-3 4x3y=7 2x y=8 6x y=3 2x7y=11 5x3y=-4 x5y=6 4x2y=5 3x4y=-9 2x7y=-5 4x9y=-15 5x3y=9 4x3y=5 2x4y=3 5x5y=-4 4x7y=-7 3x8y=-25 4x4y=-3 2x3y=7 2x y=2 2x3y=-3 9x2y=-9 x4y=14 x y=6 4x5y=-1

8、4x3y=5 3x3y=8 7x3y=-9 9x y=16 2x2y=5 x5y=4 3x2y=-9 x5y=5 4x5y=-7 7x6y=-8 4x5y=-5 4x2y=6 x4y=-4 3x3y=-3 4x7y=-6 2x3y=9 2x y=-6 4x4y=1 4x y=-8 4x4y=-2 2x2y=2 2x6y=-30 5x5y=-8 5x3y=7 2x3y=-7 5x5y=5 3x5y=0 x3y=-23 3x2y=9 5x4y=2 4x y=3 3x5y=7 8x6y=-5 2x3y=24 2x2y=-1 2x y=0 4x y=-5 2x y=0 3x y=-7 7x y=5 x

9、3y=-4 4x5y=-5 2x5y=-2 5x3y=-9 9x3y=0 2x8y=18 x5y=6 x4y=9 x5y=6 3x5y=0 8x8y=-7 6x4y=-12 4x4y=-1 2x5y=-7 3x2y=-9 2x y=4 9x5y=-8 2x7y=13 5x5y=-1 4x4y=7 5x5y=9 x2y=-4 8x6y=6 8x9y=-2 2x3y=9 4x y=-2 x2y=-3 5x4y=-3 6x3y=5 3x5y=-16 3x2y=-2 3x y=5 3x y=-6 2x y=-3 8x y=-7 9x7y=17 3x2y=2 2x4y=2 2x4y=-5 2x3y=1

10、x6y=1 9x6y=24 3x3y=3 5x4y=-1 5x y=8 x y=6 7x7y=-9 8x3y=18 2x3y=1 x2y=7 4x4y=0 2x3y=8 2x6y=3 9x2y=-18 x3y=9 4x y=9 4x4y=2 2x y=7 9x5y=-1 9x2y=21 2x3y=-6 x y=-6 4x4y=-6 x4y=-5 9x9y=9 9x9y=-8 2x4y=3 x2y=5 x y=9 x y=-4 3x7y=-6 3x9y=-15 2x2y=5 5x3y=-4 5x4y=-9 4x3y=6 8x y=-8 3x6y=24 2x5y=-3 x2y=-8 x5y=-5

11、x4y=-5 x9y=9 6x5y=0 2x4y=-9 2x5y=2 2x2y=0 5x y=-3 6x7y=9 x5y=-17 2x4y=-3 3x4y=-2 5x5y=-9 2x2y=-6 6x7y=-5 3x9y=28 4x5y=-1 4x3y=7 3x5y=2 5x3y=9 x2y=3 6x3y=-10 5x4y=-2 x5y=-2 5x2y=-4 2x y=-7 4x y=-8 2x y=-10 4x2y=3 4x3y=-9 x2y=1 5x3y=2 x8y=-4 4x6y=-15 4x4y=-5 4x2y=-6 3x4y=-1 4x2y=4 3x8y=-5 7x6y=-26 4x y=2 2x3y=-1 x4y=6 x3y=-6 4x4y=-8 8x5y=3 3x5y=-9 x5y=-8 x4y=-8 5x y=1 4x9y=2 9x2y=-19 x3y=7 2x4y=5 4x4y=-6 3x2y=2 8x2y=0 8x3y=-7 4x y=-9 x2y=-2 5x3y=-2 2x y=-1 5x3y=8 x8y=-19 4x3y=-3 3x4y=0 2x2y=5 3x5y=-4 3x8y=5 8x7y=25 5x5y=9 4x3y=9 3x5y=-8 3x3y=1 7x8y=-6 7x7y=17 3x y=6 5x4y=-3 x2y=-6