人教版七年级数学下册二元一次方程组练习题302.docx

1、人教版七年级数学下册二元一次方程组练习题302 3x2y=3 5x3y=4 5x5y=30 5x5y=-9 2x2y=8 x3y=1 3x3y=-6 4x7y=-2 8x7y=-13 4x y=1 x2y=0 5x3y=-4 4x3y=-9 x7y=1 4x y=13 x y=-2 5x y=1 2x y=7 4x y=-3 2x8y=-4 8x6y=-25 5x y=3 x2y=9 4x4y=4 2x4y=-5 4x8y=-7 x9y=-7 3x2y=3 4x y=-5 x4y=8 3x4y=-9 x8y=-6 6x3y=11 3x4y=2 3x y=-9 4x5y=1 5x4y=-9 9x

2、2y=-8 2x y=6 3x2y=-6 x5y=-4 x3y=2 2x y=-8 3x4y=-2 x8y=-13 3x3y=-4 5x4y=1 2x3y=-5 5x5y=9 x9y=6 5x9y=0 5x2y=-7 4x y=1 x5y=-9 4x5y=-4 6x9y=-7 5x2y=-29 4x3y=-3 2x2y=-5 4x3y=0 5x4y=-4 x y=9 3x y=22 2x2y=1 5x y=2 4x2y=-7 2x5y=-1 3x3y=0 5x3y=-27 2x5y=2 5x4y=-4 4x5y=-5 5x3y=0 9x6y=-3 4x8y=9 4x y=-9 2x y=-9

3、4x y=9 5x y=-9 8x2y=-3 6x5y=-8 x5y=-3 5x5y=0 5x5y=8 4x2y=-2 4x2y=-4 4x y=1 2x4y=-5 4x4y=0 2x3y=8 5x y=5 9x8y=5 8x y=24 2x y=8 4x5y=-7 x y=-7 x5y=2 x2y=-3 6x3y=22 2x y=-7 5x2y=3 5x2y=-7 4x y=4 2x8y=8 3x7y=4 5x3y=7 x3y=5 3x y=5 5x3y=5 2x y=-8 3x y=1 x y=-8 5x y=-5 5x4y=8 x y=6 4x7y=-6 3x7y=16 5x4y=-3

4、4x4y=3 2x2y=8 2x2y=-8 9x5y=-6 3x4y=-11 2x y=2 5x3y=8 2x y=7 4x y=0 4x6y=-8 3x4y=-15 2x y=1 x4y=5 4x y=4 4x2y=1 5x4y=5 8x6y=15 2x y=-2 4x4y=-8 3x4y=7 2x4y=4 4x9y=7 5x3y=14 5x5y=3 x y=2 x3y=-2 x5y=8 3x y=9 8x y=11 2x4y=5 4x4y=-6 2x5y=-5 5x5y=-2 x4y=5 4x y=30 2x2y=-6 4x5y=0 5x y=-8 3x4y=7 9x9y=6 3x5y=1

5、3 4x3y=-2 x y=-3 x5y=-3 2x5y=8 8x3y=3 x3y=18 5x4y=5 x2y=1 2x y=-4 2x3y=-1 4x8y=-5 2x y=-15 5x3y=4 2x y=9 x5y=-3 5x3y=4 3x2y=6 x2y=8 2x4y=6 4x3y=2 5x y=9 2x3y=3 6x6y=-7 8x y=10 x4y=6 4x y=-5 x4y=-1 2x y=-2 4x6y=-3 x y=-22 x4y=-9 x5y=3 x2y=0 3x4y=-8 7x y=2 9x7y=16 x5y=2 4x4y=1 3x4y=7 4x y=-6 x8y=0 5x6

6、y=16 5x4y=-2 5x2y=-9 4x3y=-3 x4y=6 2x2y=-6 x6y=18 3x4y=-6 5x y=6 5x4y=8 5x2y=3 7x6y=-8 2x9y=-19 3x y=-2 5x4y=-4 x y=-2 3x2y=-9 x y=-4 8x2y=-25 5x2y=2 3x y=6 3x3y=6 4x4y=9 6x5y=8 4x6y=22 2x y=-7 x3y=5 x3y=-5 3x5y=-5 6x5y=8 5x7y=0 4x2y=-5 5x y=7 2x y=3 5x y=-2 6x y=6 2x6y=29 2x3y=-2 4x5y=-3 2x2y=2 3x3

7、y=7 x7y=-6 7x6y=-16 2x3y=2 5x2y=-1 2x4y=-6 3x y=-5 5x8y=6 6x3y=17 x y=-5 4x4y=-9 5x4y=-5 5x y=3 4x8y=-2 2x2y=-14 4x5y=-8 3x4y=8 2x5y=-1 5x2y=-2 7x3y=-3 2x y=10 4x y=8 5x2y=-4 x2y=-6 x y=5 5x4y=-4 x5y=30 3x y=9 x y=0 x3y=2 2x3y=-5 8x8y=9 x y=22 3x y=-5 3x y=-1 5x5y=-6 4x y=-2 5x y=-8 4x6y=-22 x4y=6 2

8、x2y=4 5x5y=-6 3x y=1 4x7y=-4 9x8y=21 3x4y=7 x3y=0 5x3y=-9 2x3y=-2 6x2y=2 6x8y=-14 x y=-1 4x y=8 x5y=-2 5x5y=8 7x y=7 6x4y=-11 2x4y=-6 4x4y=9 3x4y=0 x3y=-1 7x8y=-8 4x2y=10 x3y=-2 4x y=-8 5x3y=9 3x y=-6 9x8y=-8 9x2y=15 x3y=2 5x2y=2 2x5y=-3 3x5y=-1 x y=1 6x8y=-27 3x3y=9 4x y=-8 4x5y=3 4x5y=-4 2x8y=9 x5

9、y=-22 5x y=-7 2x y=-4 3x4y=-4 2x2y=7 2x y=6 4x y=-5 x3y=0 4x y=3 5x y=-6 x5y=5 4x5y=-6 2x8y=14 2x y=-1 5x2y=-2 4x y=-7 4x3y=-8 x7y=4 x y=0 2x2y=-9 2x y=-7 2x y=8 5x4y=-9 2x5y=5 9x3y=28 4x3y=-8 4x2y=3 x5y=4 2x y=-8 6x7y=-1 8x7y=17 5x5y=-9 2x2y=3 4x4y=8 5x3y=3 4x7y=-3 8x8y=13 3x5y=1 3x5y=2 5x5y=-3 3x2

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

11、3x3y=-5 7x3y=-8 8x5y=10 4x y=-1 5x y=-2 5x3y=-4 5x3y=7 4x8y=9 3x7y=6 3x3y=0 2x5y=-9 4x5y=0 2x2y=-7 5x3y=-1 7x6y=4 3x2y=3 2x5y=4 x2y=-1 2x4y=-6 5x3y=6 4x8y=13 x5y=-5 2x4y=4 5x4y=3 4x3y=-1 9x y=7 8x6y=-1 2x3y=3 2x4y=1 2x4y=-5 4x y=8 6x7y=7 x y=20 2x4y=2 2x5y=2 3x5y=2 x5y=-1 x2y=-1 x8y=17 x2y=-3 4x5y=4 3x2y=8 3x5y=9 7x3y=7 9x y=-21 5x y=3 x y=-4 x y=5 4x5y=4 8x5y=0 9x y=17 4x y=-5 2x3y=6 3x5y=-4 x2y=-3 3x8y=4 4x3y=30 3x y=5 4x y=4 3x5y=4 2x5y=4 4x5y=9 8x8y=-20 4x2y=-6 2x3y=-5 4x5y=8 5x4y=1 3x3y=7 6x8y=28 3x4y=5 4x5y=-8 x2y=-2 2x y=-6 8x9y=-8 8x6y=16 x2y=8 5x y=-2 x y=3