二元一次方程组练习题42.docx

1、二元一次方程组练习题42 x y=-7 5x y=-2 2x y=-27 4x5y=-1 3x y=-5 x5y=-2 5x3y=7 6x5y=7 3x y=27 4x2y=4 5x y=-2 x4y=-9 4x y=7 2x7y=0 2x9y=27 3x2y=3 3x4y=1 3x3y=6 x y=1 9x8y=6 8x8y=3 x3y=6 x3y=0 x2y=-3 3x4y=9 x5y=7 9x2y=-30 5x3y=6 x y=-7 3x5y=0 2x2y=-1 8x8y=-2 x4y=21 2x3y=0 3x2y=-5 5x5y=0 2x4y=-5 6x6y=-4 7x9y=15 x

2、y=-6 x4y=-4 2x4y=-4 4x2y=1 8x6y=-3 4x9y=-2 x y=2 5x2y=5 4x4y=0 x3y=1 4x9y=-2 5x4y=-17 3x5y=-8 2x2y=-6 x y=-5 2x3y=5 5x5y=1 2x5y=-17 3x5y=-6 4x3y=-4 4x2y=-9 x4y=5 6x6y=-5 4x8y=19 x3y=9 4x3y=7 3x2y=-9 3x2y=7 2x3y=4 5x5y=-27 x3y=1 5x y=-1 3x3y=3 4x5y=-5 2x7y=4 6x6y=-4 3x3y=-2 x2y=-4 3x5y=-9 4x4y=0 2x7y

3、=3 8x y=-15 2x y=-9 3x5y=-7 5x3y=-3 2x5y=-9 7x3y=-2 6x8y=11 5x3y=7 5x5y=-3 3x2y=-9 5x3y=2 8x2y=-3 5x2y=-20 2x4y=-7 4x2y=8 3x3y=-6 2x3y=4 7x4y=-2 5x8y=-11 2x3y=3 3x3y=1 3x4y=-6 3x3y=-3 3x3y=-8 5x6y=10 3x2y=5 x3y=9 3x2y=1 2x5y=-7 8x7y=4 4x2y=13 3x3y=6 2x2y=7 2x5y=-8 3x2y=-1 9x6y=-3 7x y=28 x5y=-6 x3y=

4、-6 x2y=-1 2x y=-1 9x2y=0 8x4y=12 2x2y=7 5x y=0 2x y=3 5x y=-7 3x6y=-4 3x9y=12 5x4y=-1 2x y=7 2x5y=-6 3x5y=3 5x6y=0 4x5y=-19 4x2y=-3 5x3y=3 2x3y=3 5x4y=-7 7x y=7 5x2y=28 2x4y=6 2x y=-5 4x4y=6 3x5y=2 9x3y=8 4x3y=17 x4y=8 3x5y=1 4x4y=-7 4x3y=7 6x4y=-5 8x y=-21 x3y=-7 4x2y=8 4x4y=-4 5x4y=7 2x6y=9 8x4y=-

5、22 3x3y=6 3x2y=-7 x3y=-5 2x3y=9 x7y=4 8x6y=12 5x y=-6 2x y=7 5x3y=4 2x2y=-1 7x4y=2 2x8y=-5 5x2y=1 5x3y=9 x y=7 3x4y=7 6x y=1 2x8y=1 4x3y=3 x y=-6 2x3y=2 x4y=7 6x2y=-1 4x7y=24 3x2y=6 4x2y=1 x5y=-5 3x2y=7 9x9y=-1 9x7y=-9 x4y=3 3x5y=-2 2x3y=7 x5y=-6 7x9y=-3 x3y=28 5x y=-9 5x3y=-3 2x3y=-1 3x y=1 7x y=-4

6、 3x5y=-23 4x4y=5 2x5y=0 3x5y=7 3x5y=-1 6x8y=-4 x2y=29 3x3y=4 4x4y=4 2x3y=1 2x4y=4 2x4y=-4 9x8y=-2 x y=0 3x2y=-9 4x y=-8 2x5y=-2 5x5y=9 x2y=-12 3x2y=6 x3y=-9 5x5y=5 4x5y=1 3x6y=-1 3x y=-3 4x2y=8 4x5y=0 4x5y=7 2x y=3 8x7y=9 9x9y=14 5x4y=1 5x3y=-7 5x4y=-1 3x4y=-5 8x4y=9 2x y=11 2x5y=-4 3x4y=-6 5x5y=5 x

7、3y=1 8x6y=-6 7x y=-2 3x2y=-5 x4y=3 2x y=-4 5x5y=9 3x2y=-5 5x7y=-9 x4y=2 2x y=3 x2y=-1 4x3y=7 6x9y=1 8x y=5 4x2y=1 3x y=-8 4x3y=-1 3x5y=9 8x2y=5 7x3y=7 x2y=-2 3x2y=-5 5x4y=3 4x y=-8 x6y=-4 8x y=14 4x2y=0 3x3y=8 3x4y=-9 x4y=-3 3x7y=1 5x2y=-17 x4y=7 3x y=-5 5x y=2 2x4y=2 6x6y=4 4x3y=23 4x y=-2 x5y=5 3x

8、5y=-7 5x3y=3 6x5y=6 2x5y=8 4x2y=-7 4x2y=-1 5x5y=4 4x3y=9 4x2y=4 4x8y=3 5x4y=-1 4x3y=8 5x4y=4 5x4y=3 3x3y=0 7x y=22 5x y=6 3x3y=8 x3y=-8 4x y=-4 x3y=5 9x3y=-22 4x5y=-8 2x2y=-4 2x5y=5 5x2y=3 8x5y=5 2x3y=-25 x y=9 4x3y=8 5x5y=3 5x y=2 6x3y=-9 8x9y=1 2x5y=-5 2x5y=6 3x4y=7 5x4y=6 9x8y=0 7x4y=-10 2x4y=5 5

9、x2y=8 4x5y=-9 2x2y=-2 3x3y=2 9x7y=7 2x y=-5 3x3y=6 5x y=1 x5y=0 6x7y=5 7x3y=-18 5x2y=0 3x y=7 3x4y=-6 3x2y=-3 2x y=-3 9x y=4 3x3y=5 2x4y=-8 5x5y=8 5x2y=-5 8x5y=7 7x9y=-17 x y=6 5x2y=-5 2x y=-2 x y=8 9x y=8 9x7y=18 3x2y=-6 2x5y=4 3x y=9 5x5y=2 3x5y=3 x4y=-26 5x y=-1 3x y=-9 5x5y=1 4x5y=2 4x3y=-5 x7y=

10、13 4x4y=-7 x5y=-8 2x3y=-2 3x2y=7 6x6y=5 8x9y=-8 x y=0 x y=-2 2x3y=5 2x y=-5 8x9y=2 2x2y=15 4x5y=2 4x y=4 2x4y=5 4x3y=4 3x7y=0 8x3y=-19 x2y=5 x y=-7 3x5y=5 2x2y=7 7x2y=6 9x8y=30 3x2y=0 3x3y=8 4x y=-9 x4y=-8 6x9y=-8 7x9y=-4 3x y=9 4x3y=0 4x y=-2 4x3y=-1 2x3y=-1 3x2y=-25 2x y=0 2x2y=9 x y=5 2x3y=-4 3x9

11、y=0 7x7y=-8 4x3y=6 x3y=6 3x5y=4 4x y=-5 6x y=6 5x8y=1 x5y=2 5x3y=8 4x4y=3 3x y=6 7x4y=7 5x5y=4 3x y=9 2x4y=9 2x5y=4 4x5y=7 7x7y=-6 9x y=6 5x3y=-1 4x4y=-6 x y=0 4x2y=-8 7x4y=-1 3x y=24 3x2y=5 4x y=4 x5y=-4 3x y=-7 9x9y=-9 7x8y=-17 2x y=6 x y=-6 5x2y=-3 2x4y=5 3x6y=-2 6x9y=-23 2x5y=7 5x4y=7 5x y=-8 5x2y=5 4x7y=-9 x9y=6 3x3y=6 x5y=-2 5x5y=4 x2y=8 7x5y=-5 x3y=-26 x5y=-5 5x5y=1 5x5y=-2 5x5y=-2 9x6y=7 2x9y=-20 5x3y=0 x4y=7 x y=-9 2x y=1 8x7y=0 8x8y=-26 3x3y=-2 x3y=6 5x y=8 x5y=3 5x5y=-9 5x4y=-9 3x3y=9 4x y=7 3x y=-3 4x y=6 6x2y=-8 6x y=4 4x4y=-8 3x5y=1 4x y=7