1、人教版七年级数学下册二元一次方程组练习题163 3x y=-8 8x7y=-4 x6y=-17 4x y=7 3x5y=0 3x5y=9 4x4y=4 5x6y=-4 x7y=-24 2x y=4 5x y=-1 x4y=7 5x2y=-9 8x5y=-8 3x4y=-23 4x4y=4 x4y=-1 5x5y=-6 2x3y=-6 4x4y=-2 x5y=4 4x4y=-2 x3y=-1 3x y=-1 4x y=9 7x7y=7 9x8y=-18 x5y=0 5x y=1 x3y=-2 5x3y=1 8x7y=-9 8x5y=-9 3x2y=0 4x y=6 3x4y=-3 3x y=-5
2、 3x3y=-4 8x5y=2 x4y=8 5x3y=3 5x5y=5 2x y=-8 2x7y=4 4x4y=29 2x2y=5 3x5y=-4 5x3y=-2 2x4y=-5 7x2y=-5 3x2y=-7 5x5y=9 4x5y=1 3x y=-6 x2y=2 3x7y=-2 8x9y=-4 3x3y=2 5x5y=-9 2x4y=-4 2x y=-3 2x8y=-6 5x2y=-28 2x4y=4 x y=5 2x y=9 2x2y=2 7x8y=2 2x9y=-12 4x3y=-1 2x y=-1 4x y=-1 4x4y=-3 4x6y=6 4x8y=-17 3x2y=2 3x y
3、=1 x4y=9 x2y=0 5x y=-1 7x4y=4 3x5y=3 4x5y=-1 3x4y=-8 x4y=1 3x y=-6 4x7y=-4 5x2y=-6 2x3y=-2 x3y=9 x3y=8 3x9y=-6 9x8y=-21 x2y=8 2x4y=7 5x4y=-1 2x3y=9 2x6y=-1 7x y=21 5x y=-7 4x y=-9 3x3y=-3 4x5y=1 6x y=-9 5x y=-2 2x4y=8 3x3y=-9 x y=5 2x3y=-6 5x3y=-8 5x8y=-16 5x4y=-7 3x5y=-2 4x2y=-3 4x3y=-1 7x7y=-9 3x9
4、y=-4 3x3y=8 3x4y=-9 4x2y=3 5x5y=-2 3x9y=3 4x2y=23 2x3y=0 2x4y=-3 3x5y=-8 x3y=-6 9x9y=-4 7x4y=-9 3x3y=7 4x5y=-4 x4y=-7 2x5y=-5 9x3y=8 3x5y=23 5x y=-7 4x2y=-5 4x3y=-8 3x4y=-2 9x9y=8 7x8y=17 3x5y=7 4x2y=9 4x2y=9 5x y=7 2x7y=3 3x9y=4 4x y=-2 3x y=-4 4x y=-4 x4y=7 6x y=1 3x7y=10 2x y=4 x4y=7 3x5y=-5 4x2y
5、=-3 8x5y=-5 9x7y=-1 2x4y=5 5x4y=-6 3x2y=-6 3x2y=-2 3x6y=-1 3x y=28 3x y=-7 x y=2 x3y=-7 4x5y=4 8x6y=-8 2x8y=0 x2y=8 4x y=7 3x y=8 3x y=8 x5y=8 7x8y=-1 2x2y=5 4x3y=5 2x5y=8 3x4y=-8 x4y=-4 7x6y=28 2x3y=-7 x2y=4 3x3y=-8 4x3y=-3 6x y=9 4x9y=14 x y=-6 3x2y=4 4x5y=6 x4y=0 4x5y=3 3x9y=-10 x2y=3 3x4y=6 x3y=
6、8 x2y=1 x5y=5 9x2y=-11 x y=4 3x y=-8 2x y=1 x4y=2 2x5y=9 6x2y=2 5x3y=-5 x4y=-5 2x2y=6 x y=-7 5x6y=-4 3x y=-12 2x y=-3 5x4y=-9 4x5y=-7 3x3y=7 2x3y=-8 9x5y=-25 3x3y=1 x y=0 4x3y=2 5x y=9 5x4y=2 x2y=25 5x3y=-6 4x4y=5 5x y=0 2x y=6 x8y=8 8x8y=-28 3x2y=-4 5x5y=6 5x3y=-7 4x5y=5 9x3y=0 4x8y=-12 3x4y=7 x y=
7、4 3x4y=4 3x3y=3 x8y=-6 5x4y=-18 5x y=2 3x2y=5 5x4y=7 2x3y=8 2x3y=-1 3x y=17 4x3y=2 3x3y=-4 3x3y=1 4x y=-6 5x y=1 7x3y=22 2x y=2 x y=7 x2y=5 4x5y=-4 5x3y=7 7x y=7 3x2y=-2 2x2y=2 4x3y=3 4x2y=1 7x8y=-6 x4y=27 2x2y=-7 2x4y=-2 4x3y=-2 4x4y=-6 6x y=-4 4x8y=-14 5x3y=-8 x3y=-8 3x5y=-2 5x4y=-3 3x y=0 x5y=29
8、5x5y=8 4x3y=6 5x4y=2 4x2y=-2 5x6y=-5 3x7y=-22 5x3y=5 4x4y=8 2x4y=-1 4x5y=-3 5x7y=-1 2x5y=29 5x4y=8 5x2y=5 3x5y=-3 x3y=8 5x6y=2 2x8y=-5 4x y=-8 3x4y=6 3x4y=-8 5x4y=-3 6x y=9 5x9y=-23 5x5y=2 4x2y=9 x y=3 x5y=-2 x8y=-8 x8y=30 4x5y=-1 4x4y=-4 x y=-1 3x2y=6 7x9y=1 5x8y=-7 2x4y=0 2x3y=-8 2x y=8 2x5y=2 2x3
9、y=-9 5x3y=25 4x2y=-4 5x3y=6 x y=4 2x4y=-8 4x7y=-1 x2y=2 3x3y=3 3x3y=7 4x y=0 5x4y=5 x y=4 3x y=23 4x3y=-3 5x5y=0 5x3y=3 3x y=7 3x5y=7 2x2y=-22 5x y=-9 3x y=2 5x2y=4 5x5y=0 5x9y=1 4x y=25 4x y=-5 2x5y=-8 3x2y=-8 x4y=-4 6x2y=1 8x5y=23 3x2y=9 5x2y=0 2x3y=2 x2y=2 6x y=-2 6x4y=-11 x3y=-6 x4y=0 2x5y=1 4x5
10、y=-2 2x9y=-3 4x y=-1 3x3y=8 5x5y=7 5x y=-9 2x2y=-4 9x2y=3 8x9y=10 3x5y=-2 5x3y=-3 4x y=9 4x2y=8 6x3y=-7 6x8y=20 3x2y=5 4x2y=1 5x5y=-3 4x5y=-1 6x3y=-7 2x9y=0 5x3y=-9 5x2y=5 3x y=-2 2x2y=-4 8x6y=-4 5x7y=8 3x3y=-4 2x y=4 x5y=-8 5x3y=-6 2x4y=-6 x9y=10 3x y=-7 2x y=7 4x3y=-7 x3y=0 8x8y=5 2x8y=26 5x y=4 x
11、3y=-3 x y=9 3x4y=-2 3x3y=6 9x2y=-18 3x4y=-3 x2y=-4 2x2y=1 5x5y=-5 9x4y=-7 7x5y=19 4x y=-2 5x2y=-2 4x3y=2 4x y=6 x4y=-8 x6y=16 4x2y=-3 5x5y=-4 5x5y=5 x4y=-8 x y=-3 7x2y=10 4x y=-8 2x5y=8 2x5y=-6 3x y=-8 2x4y=-9 x5y=3 4x4y=8 2x3y=6 3x5y=-8 2x4y=5 9x4y=-2 5x6y=-20 2x y=5 2x2y=-4 4x3y=-9 4x2y=5 8x y=-9 8x8y=6 3x y=6 5x y=-3 3x3y=3 2x3y=-8 8x5y=5 7x3y=28 4x4y=-2 2x3y=6 2x4y=8 5x3y=6 7x3y=-9 3x3y=20 x4y=9 2x4y=-4 2x y=0 4x2y=9 x6y=-4 x y=-20 2x5y=1 4x3y=-3 3x4y=5 3x4y=-8 7x5y=0 9x y=8 5x3y=-8 3x3y=-6 2x3y=-3 4x3y=0 x4y=7 x4y=5 5x5y=-2 x y=-2 4x3y=5 x y=-6 9x5y=-1 9x2y=-5 3x2y=-9 5x2y=-1 2x3y=-8
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