1、人教版七年级数学下册二元一次方程组练习题234 3x y=-1 7x8y=6 x3y=-22 4x2y=-4 5x2y=1 3x3y=-4 4x2y=-2 4x4y=-2 4x2y=-17 4x5y=-5 2x y=-6 3x5y=-6 4x5y=5 x3y=1 9x4y=27 4x y=5 3x y=4 4x5y=-8 3x4y=1 x4y=-7 x7y=-30 x5y=-5 x5y=-4 2x2y=5 4x5y=-5 6x6y=-3 5x8y=3 4x2y=4 2x4y=6 5x4y=-4 2x5y=-8 4x5y=-8 6x y=0 2x2y=-9 4x2y=-4 5x y=3 5x2y
2、=1 3x8y=-9 4x y=-25 5x y=7 4x y=-9 2x2y=8 x4y=4 5x3y=2 9x6y=11 3x y=-8 2x3y=6 5x2y=1 2x2y=-7 9x8y=-1 4x2y=-25 4x y=1 5x y=-2 3x4y=-8 5x5y=-4 9x y=2 5x5y=-8 4x2y=2 5x3y=-3 3x2y=-9 4x3y=-9 3x9y=8 6x7y=18 5x5y=1 4x2y=9 4x4y=6 4x2y=6 x8y=8 7x3y=3 5x3y=9 3x3y=-1 3x3y=-6 x y=8 6x2y=-4 2x2y=-4 3x3y=3 3x2y=
3、7 5x3y=4 2x3y=7 8x6y=-1 x y=8 5x4y=-6 3x y=-8 x3y=6 2x y=-4 x9y=9 7x4y=-17 x4y=7 4x2y=-5 3x y=1 3x3y=-5 3x y=-4 5x y=22 5x5y=-4 4x5y=-8 5x3y=-4 4x5y=7 4x4y=-9 3x3y=-23 5x4y=-5 3x3y=5 3x3y=-4 4x y=-6 5x5y=9 7x8y=3 3x5y=2 x y=-1 4x4y=-8 4x2y=-7 5x8y=-3 4x5y=10 3x3y=-2 x2y=-6 4x y=-7 3x y=-2 2x6y=8 2x
4、y=20 3x4y=5 4x y=-6 2x3y=6 4x5y=-7 3x4y=-3 5x8y=15 4x2y=8 5x y=0 x4y=-2 4x2y=3 5x y=-8 8x9y=-18 4x3y=-4 5x4y=7 4x5y=-4 5x3y=8 6x2y=-7 6x5y=3 4x5y=-9 5x4y=5 2x4y=-5 x3y=-8 2x5y=5 8x8y=-29 5x2y=-7 x3y=8 5x4y=0 4x y=8 x2y=8 6x2y=1 2x5y=3 x2y=1 3x y=7 5x3y=3 5x4y=-1 9x9y=-14 x2y=3 4x4y=8 4x4y=-1 3x3y=-4
5、 7x7y=6 6x6y=-17 4x5y=-9 2x y=-9 2x5y=-8 5x4y=5 8x2y=5 9x5y=10 2x y=3 3x3y=4 4x5y=-6 5x5y=0 2x8y=2 8x5y=23 3x4y=2 x3y=-1 4x y=-5 4x5y=-4 5x6y=6 9x3y=14 4x2y=0 2x5y=6 2x4y=-7 3x2y=3 9x y=5 2x y=26 3x y=-7 4x4y=7 3x y=3 x5y=-9 9x9y=0 9x3y=18 3x3y=-1 x3y=-1 5x3y=-4 x2y=5 6x4y=4 2x9y=9 5x y=2 3x2y=6 4x4
6、y=-4 4x2y=-8 3x2y=-5 4x8y=29 2x3y=-3 x3y=2 4x4y=0 x5y=8 7x9y=2 6x9y=-12 4x2y=2 5x2y=-6 4x2y=9 3x2y=4 x5y=-2 2x9y=1 5x3y=8 5x y=4 5x2y=9 2x y=-2 x7y=3 6x4y=19 5x4y=1 2x5y=8 2x y=-5 5x y=8 4x3y=7 3x5y=-4 3x4y=-1 4x5y=-4 3x3y=2 3x5y=-5 6x5y=-1 9x4y=-20 5x5y=-1 5x4y=1 5x5y=4 3x y=-7 3x3y=4 9x7y=16 3x3y=
7、-1 x5y=2 x5y=-9 x2y=9 6x9y=3 3x y=-6 x3y=7 x3y=2 5x4y=0 4x4y=0 5x2y=1 x8y=28 3x5y=2 2x4y=1 4x4y=-9 2x5y=9 5x7y=-9 6x6y=-4 x2y=2 5x y=-1 x5y=9 x5y=-5 8x6y=-3 x4y=8 3x3y=-6 4x4y=-1 3x3y=-5 4x4y=-8 3x8y=4 6x4y=11 3x5y=-6 4x5y=-2 x4y=-7 2x5y=0 9x3y=-1 x9y=-1 3x2y=-4 3x y=-5 5x5y=-2 x2y=6 5x4y=-8 x4y=0 5
8、x y=-4 3x3y=-5 2x4y=6 5x4y=-9 5x9y=5 7x4y=-22 2x y=6 3x2y=-6 2x y=-1 5x5y=1 8x9y=2 2x8y=-21 3x3y=7 x2y=4 5x y=-9 3x5y=9 5x4y=-5 5x3y=-4 3x4y=2 4x4y=-1 2x y=8 5x4y=8 8x5y=0 x2y=8 3x4y=-7 4x2y=-8 2x3y=1 x2y=2 6x3y=-8 5x3y=19 2x4y=-6 5x3y=-4 2x y=1 2x3y=-5 x3y=-8 6x9y=-22 4x2y=2 3x y=-6 x2y=-6 5x5y=-7
9、2x7y=-3 4x y=-14 2x2y=-8 4x2y=3 2x2y=7 5x3y=-1 5x3y=-8 2x7y=18 4x2y=4 3x3y=1 4x4y=-2 2x5y=2 8x4y=9 4x y=25 4x y=2 5x3y=-6 x2y=-2 2x3y=-1 3x3y=5 9x6y=-21 4x4y=1 3x4y=-8 2x4y=6 4x4y=0 7x7y=9 3x4y=-17 3x5y=-5 4x5y=0 3x y=-7 3x4y=-7 6x5y=-6 8x3y=9 x4y=-9 x y=6 4x4y=-9 2x5y=3 6x2y=-6 7x8y=-22 5x y=-6 5x3
10、y=-9 3x3y=-9 x4y=-6 9x9y=-9 6x2y=23 x y=0 5x4y=-1 4x4y=-2 3x2y=1 5x9y=4 6x8y=-19 3x5y=4 5x2y=-2 3x3y=0 5x3y=-1 2x3y=1 6x6y=-27 x y=7 5x5y=-2 2x4y=-7 5x5y=-3 6x2y=9 9x8y=30 3x4y=-3 x2y=9 2x2y=0 2x2y=7 2x y=5 9x5y=8 2x2y=-1 5x y=0 x4y=2 x5y=-8 x2y=3 2x y=7 5x y=5 5x5y=-3 x3y=-1 x y=-9 6x6y=4 6x7y=25 3
11、x3y=-5 4x4y=9 2x5y=7 4x3y=1 2x7y=1 6x7y=6 2x4y=1 3x3y=-7 4x y=-5 x2y=0 2x9y=4 7x9y=-24 2x4y=-2 5x3y=5 3x5y=6 x3y=8 9x2y=3 4x2y=-12 2x2y=0 5x2y=4 2x4y=1 x3y=8 8x2y=7 x3y=17 2x5y=-1 x5y=1 x3y=-7 5x5y=-5 4x4y=-4 9x8y=-28 3x4y=-3 4x3y=-1 5x3y=-4 x3y=3 4x6y=2 5x8y=-29 4x2y=9 x5y=2 x5y=-4 4x5y=0 2x6y=5 5x2y=-13 2x2y=4 3x3y=-8 x y=-2 2x5y=-5 3x9y=4 9x y=-5 3x2y=8 x3y=-1 5x5y=-9 x3y=0 7x9y=6 9x7y=-5 x3y=-9 5x y=5 3x3y=1 2x2y=-8 7x y=-7 5x4y=-9 4x y=-1 2x2y=5 x y=-8 5x5y=-9 4x8y=-5 x7y=-17 4x3y=-3 5x3y=7 x2y=-8 2x3y=-1 3x y=-8 x4y=-19 2x2y=2 x y=3 x5y=0 4x4y=-2 2x6y=2 9x8y=-25 3x2y=5 4x5y=7 2x3y=-7