1、人教版七年级数学下册二元一次方程组练习题144 2x3y=8 3x4y=2 4x8y=28 3x5y=-2 x4y=4 2x y=-8 3x2y=4 3x9y=-9 7x2y=10 4x y=9 x4y=-8 4x3y=-1 x3y=5 7x8y=2 2x y=-5 x2y=7 2x3y=1 4x3y=3 5x4y=-8 3x3y=-7 x7y=7 3x2y=-3 3x y=-7 5x2y=7 2x2y=6 8x5y=7 3x8y=28 5x5y=-5 4x2y=-9 x4y=9 4x5y=4 8x6y=3 2x7y=17 2x5y=5 4x4y=0 2x y=5 4x4y=3 x3y=8 9
2、x y=-19 x y=2 2x y=-5 5x2y=-5 5x2y=-3 4x7y=-6 7x9y=8 x3y=1 2x4y=9 4x y=-2 5x5y=2 7x3y=0 8x7y=2 5x2y=-7 x y=1 4x4y=1 x5y=-4 8x3y=4 9x2y=18 x5y=-7 x3y=3 3x5y=-3 x4y=4 7x9y=8 4x y=-27 x2y=0 5x y=2 5x y=-6 5x2y=-1 2x7y=-2 3x7y=28 x5y=6 3x3y=-9 2x y=-3 2x4y=-5 9x9y=8 6x9y=-5 x3y=-2 x3y=-3 4x2y=2 x2y=3 5x
3、6y=1 9x3y=-17 3x y=-4 x2y=-9 4x4y=-5 2x3y=0 6x5y=8 9x5y=9 x4y=4 3x2y=-2 5x4y=-8 3x y=-8 8x4y=7 8x6y=-25 3x y=9 5x5y=3 3x5y=6 x3y=-9 4x9y=-1 8x8y=19 x2y=-5 3x5y=-8 2x4y=9 x2y=-2 4x6y=-4 8x8y=-2 3x4y=6 5x3y=4 4x4y=9 4x4y=7 9x7y=-3 6x6y=2 4x4y=4 x y=2 3x2y=8 2x4y=8 4x3y=9 9x8y=-9 3x5y=3 x y=7 3x y=-8 4
4、x5y=1 8x8y=-4 4x y=16 2x2y=0 x2y=-3 2x3y=-5 4x3y=-1 8x4y=9 6x7y=20 5x y=-9 5x3y=-2 x y=6 3x2y=-4 6x6y=0 8x5y=8 5x2y=1 3x2y=-7 4x y=-2 3x2y=8 x3y=-5 7x9y=12 x y=-3 2x5y=-7 3x y=6 4x3y=-6 x6y=1 x6y=17 5x2y=8 2x2y=-6 5x5y=7 x3y=1 3x8y=-5 2x2y=11 3x3y=6 2x5y=-4 5x4y=1 x5y=3 8x4y=-2 8x4y=7 3x3y=2 x3y=5 4
5、x4y=7 4x2y=2 8x6y=0 7x7y=-3 x2y=1 x5y=-3 5x y=-2 5x2y=3 8x5y=6 2x3y=26 5x y=-5 5x2y=1 x y=6 4x5y=-5 7x4y=9 5x9y=16 3x5y=4 4x y=3 x4y=-7 x5y=7 2x8y=2 3x2y=-15 4x3y=2 3x5y=-1 2x y=7 3x3y=1 8x2y=-4 4x7y=-29 4x y=-8 3x2y=-5 3x3y=1 5x4y=9 7x7y=-6 6x2y=-16 5x3y=1 5x2y=-5 4x5y=-5 4x3y=-2 2x y=4 8x6y=-28 4x
6、2y=-6 3x3y=-8 5x y=6 3x2y=4 9x3y=0 7x9y=-23 5x y=-7 2x4y=-8 x4y=7 2x y=-3 5x4y=-1 x3y=30 3x y=-1 2x3y=-1 2x y=5 3x2y=-3 2x7y=-5 9x y=-8 5x2y=6 2x4y=-6 3x5y=5 3x2y=8 2x3y=-4 6x7y=10 2x4y=6 2x5y=1 2x3y=3 3x3y=2 5x6y=-6 3x6y=3 2x3y=4 3x3y=-8 2x y=7 5x5y=6 4x3y=-3 5x y=8 x3y=8 x3y=1 3x y=-8 2x3y=0 3x2y=
7、-5 x8y=26 5x3y=-1 2x5y=-2 5x y=6 5x5y=4 8x9y=2 6x y=9 2x3y=-7 5x4y=-9 5x5y=-1 2x3y=-3 8x7y=-2 7x2y=14 2x4y=-4 3x y=-5 2x3y=-3 x3y=9 3x2y=9 7x4y=-11 2x3y=-7 2x4y=-6 2x5y=-8 x3y=-3 4x9y=0 8x y=-11 x y=1 x3y=3 x2y=-8 4x3y=3 9x3y=-1 6x3y=-20 2x4y=-6 3x5y=-4 2x2y=3 2x3y=3 8x y=-9 3x8y=13 5x y=6 3x5y=3 3x
8、5y=-1 2x y=7 6x5y=5 7x5y=-11 3x3y=4 4x4y=-3 x3y=4 4x3y=-9 5x5y=0 9x4y=-4 4x2y=-1 2x3y=-7 5x4y=4 x2y=6 8x7y=4 5x9y=8 5x5y=-9 x2y=-3 4x5y=5 5x5y=-3 5x2y=4 8x3y=8 2x4y=7 5x2y=-5 x2y=-2 4x2y=8 8x7y=-8 8x y=-11 x3y=0 5x4y=9 2x3y=1 4x y=-1 8x7y=7 6x2y=-5 2x3y=7 5x2y=7 3x5y=-9 3x5y=6 3x8y=-8 x4y=-1 x3y=-8
9、5x5y=6 5x4y=-3 x5y=-1 2x5y=5 7x3y=-18 2x5y=0 4x5y=7 2x3y=6 5x5y=-3 8x9y=7 3x6y=30 2x y=5 5x y=-8 x4y=8 3x y=0 x9y=-4 9x3y=-8 2x3y=1 4x y=1 4x2y=7 4x5y=0 5x2y=-2 4x8y=-6 4x y=1 3x5y=2 2x3y=-5 5x3y=7 4x5y=5 6x2y=-24 4x5y=9 5x3y=4 5x4y=4 5x y=-1 9x2y=-3 x5y=-22 4x y=6 2x4y=2 2x4y=-6 3x3y=9 9x8y=5 7x3y=
10、-24 4x3y=5 5x4y=3 5x3y=9 2x3y=0 7x6y=1 2x4y=5 x y=-3 2x5y=-4 2x4y=1 5x4y=3 8x6y=-4 7x y=-4 5x4y=-3 x2y=1 x2y=2 4x2y=0 3x y=-8 6x y=-23 3x2y=-9 x4y=-2 4x2y=4 5x5y=4 2x y=2 5x4y=-11 3x3y=-4 5x4y=9 3x3y=9 x4y=-7 9x7y=-8 6x7y=-5 5x3y=2 3x5y=0 5x y=8 3x5y=-4 9x9y=-9 3x4y=26 3x4y=1 5x3y=7 2x2y=-2 4x2y=0 9
11、x6y=8 8x3y=22 2x3y=2 4x4y=3 3x4y=2 5x3y=8 8x8y=-7 5x4y=23 5x3y=4 4x y=-1 2x4y=1 x4y=-9 9x3y=7 2x6y=-25 3x3y=-2 3x4y=8 x2y=2 x4y=3 8x5y=-3 2x3y=15 5x2y=1 4x4y=-3 5x4y=3 4x4y=-3 x6y=1 7x5y=15 3x5y=9 x2y=6 x4y=5 2x4y=8 x9y=2 x4y=23 5x3y=-8 3x3y=-5 4x3y=4 5x5y=-5 6x3y=-8 x y=-2 5x y=0 5x3y=-3 x2y=-4 4x y=2 7x8y=-5 9x8y=-4 x3y=4 2x3y=2 5x5y=1 2x y=5 5x y=-8 6x y=-29 2x5y=0 2x4y=3 x3y=6 3x4y=-2 7x2y=-5 5x9y=17 2x5y=-9 x2y=0 4x y=7 x5y=0 x y=0 3x3y=-9 3x3y=-9 3x2y=-2 4x5y=-6 3x y=-7 6x4y=5 6x3y=-12 3x4y=8 4x2y=7 3x2y=0 x4y=5 8x y=-6 x8y=5 3x3y=0 3x2y=4 x y=-8
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