二元一次方程组练习题260.docx

1、二元一次方程组练习题260 4x3y=-3 4x5y=-7 5x6y=-18 4x y=0 2x2y=-1 2x3y=-2 2x5y=1 6x9y=-9 3x2y=18 3x2y=6 2x2y=-1 2x2y=-4 5x5y=7 5x5y=1 9x7y=-23 x4y=-9 3x y=0 4x5y=5 5x y=0 8x9y=8 6x y=0 2x2y=-2 5x y=4 3x4y=-9 5x y=0 7x8y=2 5x8y=-22 4x2y=9 4x4y=1 x y=-6 x y=-9 4x5y=-7 4x6y=-10 5x3y=-9 3x4y=-6 5x4y=-2 x5y=0 5x5y=0

2、 6x8y=17 2x y=5 2x5y=9 4x2y=-4 x3y=-5 8x2y=-9 x6y=9 3x3y=-2 x3y=-9 4x3y=2 2x3y=6 x7y=4 2x7y=-24 3x5y=-5 5x4y=-7 x4y=-5 5x3y=-7 2x y=9 5x y=-21 5x4y=-6 x y=-7 4x4y=2 5x2y=-4 2x3y=6 x2y=-26 4x4y=8 3x5y=6 x3y=3 2x3y=1 9x7y=-8 6x8y=23 5x4y=-8 3x3y=1 4x3y=9 4x3y=7 x8y=3 7x9y=-20 2x4y=1 4x5y=-5 3x4y=6 5x4

3、y=-7 8x7y=-2 2x7y=-27 2x5y=-4 x5y=0 x y=-3 3x5y=-5 9x4y=-5 3x4y=-2 5x3y=-4 5x3y=8 x y=5 4x2y=-1 6x4y=9 8x5y=23 2x5y=3 x3y=-6 3x5y=-1 5x3y=-6 9x5y=1 7x y=21 3x4y=-9 3x4y=-7 2x2y=3 3x3y=2 7x2y=2 2x5y=-24 5x y=-2 5x2y=-4 4x5y=-8 4x4y=-4 3x5y=8 3x9y=22 5x3y=-4 2x3y=-5 4x2y=6 3x5y=3 6x3y=-5 3x5y=8 x3y=2

4、5x y=-9 2x5y=3 5x3y=0 8x2y=0 3x8y=-28 4x y=2 5x4y=7 2x y=-1 4x y=-4 9x2y=0 2x2y=-23 2x5y=1 2x y=-5 2x5y=-3 x y=-4 6x y=-7 3x9y=12 2x4y=-6 5x5y=3 2x4y=6 x4y=6 3x5y=-5 7x8y=-13 x2y=0 3x5y=3 3x y=9 2x5y=7 6x8y=1 7x y=26 4x5y=-3 4x3y=-7 3x3y=2 x2y=-2 4x4y=-7 6x7y=-3 2x y=1 x5y=-6 5x4y=-9 4x y=-3 6x y=-9

5、 6x5y=16 3x2y=-6 5x2y=-5 5x y=-7 x4y=5 2x5y=7 7x3y=-13 3x y=6 x y=-5 5x5y=1 3x3y=3 4x9y=9 8x7y=-7 5x4y=-1 5x5y=1 x5y=-2 5x y=-9 2x y=0 3x9y=-8 2x4y=-5 4x y=0 x4y=7 3x4y=-1 8x4y=-1 6x9y=17 5x y=-3 2x2y=2 4x2y=3 2x2y=0 6x7y=-1 4x6y=-25 x y=-6 2x3y=5 x y=0 4x2y=-7 6x4y=2 4x5y=-28 2x5y=9 x4y=6 4x y=2 2x

6、 y=-8 2x8y=4 2x y=19 2x2y=-3 5x2y=3 2x4y=7 4x4y=6 9x8y=5 2x6y=10 2x4y=-8 2x y=-8 5x4y=-4 4x y=6 7x4y=-6 7x3y=28 x5y=2 2x4y=7 x5y=-5 4x2y=7 x8y=0 2x6y=19 5x2y=-4 5x5y=-7 5x4y=0 5x4y=-6 5x5y=-1 x7y=24 x5y=-7 4x y=1 4x y=6 2x5y=-5 x9y=0 5x8y=14 x y=2 x4y=0 5x y=-3 4x5y=5 4x7y=-4 6x3y=-15 3x y=-5 4x y=6

7、 5x y=-9 4x y=-4 9x y=8 x8y=28 x2y=-4 3x4y=0 5x2y=-6 4x y=-6 x3y=5 6x7y=-5 x5y=-8 3x2y=5 2x4y=9 x4y=-4 6x6y=-5 2x3y=25 5x4y=-4 2x y=-2 4x2y=-1 3x4y=0 6x8y=7 3x5y=16 3x2y=-4 5x2y=-3 2x2y=-6 3x4y=-7 2x8y=2 8x5y=29 5x3y=2 5x y=3 3x y=0 4x4y=2 x4y=7 6x4y=-20 3x3y=-5 3x2y=-3 x2y=-5 2x3y=-4 x4y=1 7x6y=13

8、x2y=-4 x2y=7 3x y=-2 5x2y=1 x5y=7 7x2y=-27 3x y=-1 2x5y=3 x y=-4 x5y=3 9x8y=1 5x y=-21 2x3y=-9 x5y=-3 3x4y=-4 x3y=-6 2x5y=3 9x y=25 4x y=-1 x2y=6 3x4y=8 2x y=-6 8x2y=6 7x6y=-19 4x4y=3 x y=3 2x4y=4 5x y=0 8x y=-8 8x9y=-5 4x3y=4 x2y=9 4x y=-1 3x y=4 3x7y=6 8x8y=13 4x2y=-3 4x3y=8 3x2y=6 3x4y=5 8x4y=-1

9、x3y=-6 3x y=-2 4x4y=9 2x5y=-4 4x4y=0 4x y=4 8x3y=22 x4y=-7 x3y=-1 2x4y=9 5x5y=-4 2x9y=6 4x y=-25 5x y=-9 3x3y=-3 x5y=8 2x5y=5 x8y=4 x y=-10 x2y=8 2x2y=-4 x5y=3 2x3y=-3 9x6y=-9 5x6y=-4 3x4y=-3 4x3y=8 x5y=-2 2x y=5 3x4y=-7 x7y=-18 3x3y=-6 2x3y=-8 5x5y=-5 4x5y=9 2x6y=2 6x9y=-10 2x4y=9 2x5y=-1 3x5y=-4 x

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

11、y=3 5x y=7 4x6y=9 x7y=4 5x2y=-6 2x4y=-5 x3y=-2 4x5y=-7 x6y=4 6x7y=-19 4x5y=7 3x y=-1 5x3y=7 x y=5 5x6y=-1 6x8y=-16 4x y=-6 3x3y=-2 x4y=3 2x3y=4 9x8y=5 2x8y=-6 2x5y=5 4x5y=1 4x5y=-8 2x3y=-1 3x9y=8 7x7y=23 2x5y=-9 4x3y=2 5x2y=2 4x3y=-4 6x3y=4 6x6y=-21 x4y=-6 3x3y=-7 4x5y=8 4x4y=5 2x3y=7 8x y=29 2x4y=3 5x3y=-4 5x5y=-1 4x4y=-9 8x3y=7 7x4y=-9 2x y=6 5x5y=3 5x2y=-6 3x y=8 7x6y=3 9x2y=-6 3x4y=2 3x4y=-3 3x y=-9 2x y=0 6x8y=-7 4x4y=8 5x4y=3 2x4y=3 2x4y=-1 3x5y=2 9x y=7 x9y=25 x3y=-5 x y=1 5x5y=-8 x5y=-4 7x8y=-2 7x y=12 5x3y=-7 3x y=-2 2x3y=5 4x2y=1 4x6y=7 3x8y=8 5x y=-9 x5y=-1 2x2y=-4