1、人教版七年级数学下册二元一次方程组练习题53 2x2y=6 7x6y=0 6x7y=6 2x2y=-3 x y=-8 4x4y=-6 x5y=6 x4y=2 2x8y=-15 x5y=-4 3x3y=-2 5x5y=3 3x4y=7 2x y=2 2x9y=-22 5x3y=-5 3x y=8 x3y=9 5x y=8 8x y=5 2x9y=-16 2x2y=-2 x2y=-1 3x y=7 4x3y=7 8x8y=-3 x9y=-12 x5y=-3 3x3y=8 4x5y=5 x y=2 2x4y=-8 5x7y=-14 2x4y=1 4x3y=3 x5y=6 x5y=4 x9y=9 6x
2、8y=13 3x2y=-4 3x y=6 3x2y=6 4x3y=-8 9x4y=-7 5x6y=10 2x2y=-3 3x y=5 x3y=9 x2y=-5 7x8y=-6 2x8y=-8 3x2y=4 3x4y=-8 4x y=8 5x2y=1 6x2y=-4 4x2y=-4 5x3y=-9 x3y=-6 5x y=1 3x y=-4 5x4y=1 5x y=7 4x2y=-5 5x y=9 x4y=-3 4x5y=6 6x9y=7 5x2y=-23 2x y=-8 2x5y=9 2x y=-7 3x4y=7 2x9y=-7 5x y=-14 3x4y=-4 5x5y=-6 3x3y=6
3、x2y=-7 9x6y=-7 9x5y=2 3x5y=0 x5y=-2 2x3y=-4 2x5y=7 9x3y=-1 4x9y=4 2x5y=2 2x2y=3 4x2y=-8 3x4y=-2 9x4y=0 6x8y=-18 2x y=-5 x4y=7 x5y=-3 3x3y=8 x5y=1 8x5y=-11 3x5y=-4 4x5y=9 4x2y=-7 x4y=-7 5x2y=5 4x y=18 5x4y=-2 4x2y=0 2x3y=1 x5y=8 7x4y=2 9x4y=12 5x3y=3 x3y=5 2x y=-1 5x y=3 6x6y=5 x3y=10 3x5y=-2 3x3y=-1
4、 x3y=1 3x4y=1 2x6y=-5 8x5y=-17 x2y=6 4x2y=4 5x4y=-4 5x5y=7 8x9y=6 x9y=-8 x3y=-5 5x3y=2 2x5y=6 4x y=7 3x3y=-7 9x4y=19 4x3y=-1 x4y=-4 2x3y=5 5x y=5 x6y=6 8x8y=26 x y=-4 4x y=-9 x2y=-2 2x y=-6 9x7y=-2 8x6y=-6 4x5y=5 3x2y=8 x4y=-2 3x5y=-2 4x y=-8 6x7y=-15 2x5y=-6 5x3y=5 3x y=1 2x5y=-3 2x4y=7 x3y=27 x3y=
5、5 x4y=-6 x4y=-5 5x4y=-7 9x9y=-6 8x5y=-23 4x3y=-3 4x y=5 3x4y=1 5x y=-3 x6y=6 3x y=-17 4x4y=9 2x2y=2 x5y=-5 x5y=5 8x2y=-9 x6y=11 2x2y=-8 3x3y=-8 4x2y=4 x y=-8 4x4y=3 6x3y=-23 5x2y=2 5x3y=0 3x4y=-2 2x4y=-4 9x y=6 4x6y=-28 3x5y=3 x3y=4 x y=-4 x4y=7 x6y=8 6x5y=18 x y=1 4x3y=-6 4x y=5 4x2y=1 2x y=4 4x y=
6、25 5x5y=5 5x5y=-2 x2y=-9 5x4y=3 4x9y=2 2x9y=-30 x2y=-6 x3y=-7 2x5y=-5 5x4y=9 5x9y=-5 8x6y=21 3x5y=7 3x y=0 5x2y=-5 4x2y=9 6x9y=-8 7x2y=-19 3x y=-8 4x4y=-9 4x5y=9 x2y=-1 5x3y=4 2x4y=-19 3x4y=6 4x5y=-6 5x3y=7 x3y=4 3x4y=8 4x5y=3 4x5y=-4 5x3y=1 x y=-8 5x3y=-6 6x y=2 6x6y=2 5x4y=4 2x y=0 x2y=-1 x4y=4 3x
7、2y=3 6x3y=-17 3x y=-1 3x3y=-5 x4y=-9 x3y=7 2x9y=4 2x3y=16 2x4y=2 3x5y=3 3x3y=7 x4y=-5 5x8y=0 5x9y=-14 2x3y=0 2x y=1 5x4y=-1 3x3y=-7 7x6y=-9 x8y=-30 5x3y=9 5x2y=9 3x3y=1 4x4y=0 2x4y=-1 9x8y=21 2x y=2 x4y=5 x4y=-3 2x2y=-7 6x y=-3 8x y=-12 2x3y=7 4x y=-6 4x5y=-5 4x3y=-5 6x y=-7 4x6y=3 5x2y=-6 2x5y=0 5x
8、 y=7 4x2y=9 6x9y=-8 4x6y=9 3x5y=-9 3x y=5 x4y=-5 2x3y=8 4x4y=-3 9x5y=11 5x y=-9 3x4y=-9 5x2y=-2 x4y=-1 2x4y=5 x4y=9 x3y=-1 2x3y=-9 x5y=-8 4x2y=-5 2x y=5 5x5y=-11 3x3y=-5 x2y=-3 2x y=-4 x3y=-5 3x4y=-2 4x3y=22 x2y=9 4x y=7 2x3y=-3 3x5y=9 3x6y=6 7x5y=-15 4x3y=7 3x3y=-3 5x y=-8 5x3y=8 x8y=-5 6x9y=-14 5x
9、 y=-1 3x5y=3 2x2y=-7 4x2y=-6 7x8y=-7 4x9y=-5 2x5y=-1 2x3y=-6 4x3y=-2 3x5y=-5 7x4y=2 x4y=6 3x5y=8 5x2y=-3 4x y=9 4x3y=-4 6x3y=6 7x9y=-22 3x4y=3 4x5y=-2 3x3y=-5 4x5y=8 5x3y=-9 8x3y=-12 2x5y=-8 4x y=-9 3x5y=9 x4y=-9 2x5y=8 3x y=-26 3x4y=3 3x y=-3 3x2y=6 3x y=-8 x5y=7 5x3y=-1 5x3y=0 x5y=7 3x2y=-2 5x4y=-
10、3 5x9y=-9 6x y=23 3x4y=8 4x5y=-5 x5y=-7 x y=-3 6x2y=-5 x6y=21 5x3y=7 5x4y=4 4x3y=8 3x y=-9 3x4y=-1 4x2y=1 3x4y=7 3x y=0 3x3y=-2 5x2y=4 6x2y=-3 x4y=2 3x y=8 x5y=-9 2x3y=-2 4x3y=3 4x6y=4 7x3y=-8 5x3y=-4 5x4y=3 x2y=9 x5y=8 7x2y=-7 3x2y=30 x5y=-4 3x3y=-3 4x3y=-3 x4y=8 4x5y=-5 x8y=-19 x5y=-6 4x2y=-5 2x4y
11、=-3 3x3y=1 8x5y=-3 4x8y=29 5x5y=-8 5x3y=-9 2x3y=5 2x3y=3 3x6y=-6 2x2y=14 5x4y=-3 x3y=-6 x4y=6 x3y=-3 4x3y=1 3x8y=-5 2x4y=0 4x4y=-2 3x5y=8 3x5y=-1 8x8y=-6 6x7y=-9 3x5y=0 4x4y=1 3x3y=-8 3x y=-3 3x3y=4 6x8y=-30 2x y=-1 5x4y=-1 4x2y=2 4x5y=-9 2x6y=2 3x y=-14 3x y=6 x3y=2 4x2y=-4 3x4y=-5 9x7y=0 6x9y=21 3x4y=-3 x5y=-8 x y=0 2x2y=-2 6x3y=-5 9x9y=0 x5y=-3 4x3y=6 2x y=-1 3x3y=-4 x2y=-3 7x3y=-1 x4y=-2 3x4y=5 x5y=6 3x2y=7 8x9y=4 4x2y=-3 x y=5 3x y=-5 5x5y=2 3x y=0 2x9y=-7 2x2y=12 2x4y=-8 x4y=-1 4x3y=0 5x4y=-9 3x y=5 6x9y=14 4x y=-7 3x4y=9 3x y=-1 3x5y=5 6x3y=4 9x2y=7 3x5y=5 5x4y=6 4x2y=-8