二元一次方程组练习题313.docx

1、二元一次方程组练习题313 2x4y=-2 7x9y=-7 x6y=12 2x3y=-4 2x4y=6 2x3y=3 5x3y=2 x7y=-2 8x2y=24 3x5y=6 2x3y=-3 x3y=-9 x5y=2 4x2y=2 7x6y=23 x2y=0 x3y=9 4x2y=8 5x2y=5 6x5y=8 8x9y=1 3x y=-9 3x y=0 x2y=-5 x2y=-1 4x6y=-6 4x6y=19 5x5y=-5 3x5y=9 x5y=-8 2x3y=-9 4x5y=9 3x3y=12 3x5y=-2 3x3y=7 5x y=6 x3y=-2 x9y=-2 x6y=-21 4x

2、5y=7 5x3y=4 x y=-6 5x4y=6 6x9y=4 5x4y=-14 5x4y=5 2x5y=-9 3x y=0 2x2y=-7 4x6y=4 2x2y=21 3x y=-6 4x2y=4 2x3y=-6 4x4y=0 5x8y=9 8x9y=-4 3x5y=-9 3x5y=-1 x3y=8 4x y=2 8x3y=-1 2x5y=-24 3x3y=6 3x5y=-8 4x5y=-6 5x y=-3 6x6y=4 4x7y=29 3x5y=5 2x3y=-4 2x3y=7 5x4y=-2 7x7y=0 8x6y=13 4x4y=-3 3x y=-2 x3y=0 4x2y=-2 5

3、x8y=8 8x y=-23 4x y=-7 3x4y=-4 4x4y=6 x5y=9 6x y=6 8x7y=27 2x5y=5 3x5y=-4 3x3y=-9 4x4y=-1 x7y=-6 x2y=-16 2x5y=-1 4x5y=4 3x4y=0 2x5y=-5 5x2y=-5 3x9y=-22 x4y=-2 5x3y=-5 4x5y=7 5x y=-1 2x9y=-3 2x y=-4 2x5y=6 2x2y=1 2x3y=-6 3x3y=5 4x y=7 4x9y=22 2x3y=7 2x2y=-4 2x2y=-4 4x3y=-5 7x6y=-8 9x7y=-13 3x3y=-6 3x

4、3y=6 5x3y=5 5x4y=-6 9x2y=-3 8x3y=3 x y=-4 4x3y=-9 2x3y=-5 5x y=-2 3x4y=5 5x y=-6 x2y=-9 3x3y=9 4x2y=-3 2x2y=1 x7y=-6 8x y=0 3x y=5 5x2y=4 x5y=6 2x5y=6 3x y=9 7x4y=18 4x4y=-4 x4y=-4 x2y=4 x2y=3 6x9y=0 9x3y=-30 3x y=-9 x4y=7 5x4y=0 x4y=-2 2x8y=5 7x9y=-4 3x3y=9 3x y=-8 4x y=-1 4x2y=5 7x8y=-1 6x5y=-24 x

5、4y=6 2x5y=3 3x2y=5 5x y=6 2x8y=-1 9x5y=15 5x2y=-1 4x2y=-5 2x2y=9 x5y=-2 6x9y=-2 9x5y=7 x4y=2 4x y=-3 2x y=4 5x4y=-9 3x7y=-1 7x5y=-8 x y=7 2x2y=0 3x5y=8 3x3y=-6 7x y=2 8x4y=-25 3x5y=-3 3x2y=6 x4y=7 x y=-8 x8y=8 6x9y=-23 x2y=-5 2x3y=-6 5x5y=-4 3x3y=3 3x4y=5 4x5y=-5 4x2y=-1 5x3y=-5 5x5y=-8 x2y=9 4x2y=-

6、3 7x7y=-30 x4y=-8 x3y=2 3x3y=-7 2x y=7 2x6y=1 4x8y=24 5x4y=-4 x4y=1 5x3y=-5 5x4y=5 6x9y=2 2x8y=17 5x3y=7 3x y=-9 5x y=5 2x y=8 5x2y=8 4x7y=3 x2y=-3 4x4y=4 x y=0 4x y=6 4x y=2 2x5y=-19 4x y=2 4x3y=7 2x2y=5 3x4y=2 3x3y=3 x4y=-20 5x5y=-7 2x3y=-1 3x4y=-8 4x4y=-5 4x3y=6 x2y=27 2x y=-1 3x3y=9 2x5y=-9 2x y

7、=2 2x y=3 8x3y=-11 x5y=0 5x2y=4 3x4y=5 2x2y=3 9x7y=-1 3x6y=-14 3x2y=3 2x2y=-4 2x5y=9 x y=9 9x4y=0 x5y=8 x3y=6 5x4y=-3 5x3y=-6 3x2y=1 8x4y=7 5x y=-14 4x5y=9 x2y=-5 2x2y=-4 5x2y=-7 9x8y=6 4x4y=16 4x y=-4 x y=-3 3x3y=6 4x3y=-2 3x4y=4 4x7y=4 4x2y=-6 4x2y=8 5x3y=-9 x4y=-6 5x2y=-5 6x y=14 5x2y=0 4x3y=-6 4

8、x y=-2 5x2y=-6 5x5y=-4 5x5y=-5 4x2y=-8 2x4y=4 x3y=4 3x4y=6 6x2y=1 3x y=-22 5x5y=-1 2x4y=7 x5y=-4 x4y=8 2x6y=2 x4y=-5 x3y=-4 2x4y=-4 4x4y=9 5x4y=2 9x5y=-5 6x7y=6 x3y=0 x4y=2 4x y=-2 3x2y=8 2x5y=-7 5x9y=5 x4y=3 4x y=5 4x3y=-4 5x3y=-1 5x7y=3 9x6y=-27 3x4y=-7 x3y=3 5x2y=1 x4y=1 2x4y=-8 3x5y=15 x3y=-1 2x

9、2y=-5 4x4y=-1 2x5y=-5 9x y=0 8x7y=8 x5y=-7 4x y=-3 4x2y=5 5x4y=-4 8x y=-2 8x y=19 3x5y=3 4x2y=9 4x4y=5 2x4y=3 3x4y=-5 9x y=21 2x4y=2 2x3y=-4 3x3y=0 5x3y=-5 2x y=-4 x3y=18 3x3y=-4 4x4y=2 x3y=-6 5x2y=9 9x y=4 5x7y=-28 5x y=8 3x3y=3 5x4y=-4 5x5y=9 5x3y=-1 2x y=-2 x3y=-2 2x y=-6 x2y=1 5x4y=-9 3x y=-6 2x

10、6y=5 3x5y=7 3x5y=-5 5x5y=3 x4y=2 8x4y=9 x4y=-14 4x y=-8 4x5y=-8 3x y=3 4x2y=-7 4x y=5 8x3y=-15 x2y=-3 x4y=-6 2x y=5 4x4y=2 x6y=-7 4x6y=-19 2x y=1 3x4y=2 2x5y=1 5x2y=-3 6x4y=-6 6x2y=-20 3x3y=-2 2x4y=-9 2x y=0 3x y=-9 9x9y=-7 3x4y=-6 x5y=-6 x y=-3 5x4y=2 5x2y=3 8x7y=-5 5x6y=-11 2x2y=7 2x2y=0 4x2y=8 2x

11、4y=9 x5y=-1 8x5y=-26 x5y=-5 5x2y=4 x3y=-6 2x4y=-2 6x6y=-8 2x3y=6 3x5y=5 2x y=4 4x y=3 5x5y=9 7x5y=1 4x9y=-18 5x4y=8 5x4y=8 3x4y=7 x y=-1 5x5y=-3 3x3y=-4 5x5y=5 3x4y=-3 2x5y=-9 4x y=8 2x2y=3 3x y=-4 5x y=-4 3x2y=-8 5x5y=6 4x4y=-9 4x y=-4 5x8y=14 2x3y=3 4x y=1 5x4y=8 2x4y=0 x3y=-6 5x6y=-24 2x y=9 3x4y=-5 2x y=-1 3x5y=0 5x3y=4 3x6y=10 2x2y=-9 x y=0 3x y=-5 x y=6 2x9y=8 3x4y=-6 x3y=3 2x5y=-4 x y=-7 x4y=0 8x3y=-3 2x7y=25 2x y=1 4x5y=-6 4x2y=-1 4x4y=7 3x6y=1 6x4y=4 3x5y=-9 4x y=4 5x y=-4 4x2y=1 5x y=-1 x7y=-12 5x3y=8 4x2y=-5 5x2y=4 2x3y=0 7x y=2 9x6y=-26 2x4y=-3 x5y=5 x5y=-7