1、人教版七年级数学下册二元一次方程组练习题301 5x3y=-3 7x y=-2 5x6y=-9 3x3y=-5 3x3y=-6 5x2y=9 2x y=2 9x y=7 8x7y=-15 2x y=1 2x3y=2 4x2y=6 x5y=4 2x6y=6 8x7y=27 x y=-7 x2y=-9 3x4y=-1 x5y=-9 5x4y=-1 9x4y=1 5x5y=9 5x y=9 5x2y=-1 5x2y=0 2x6y=0 6x9y=2 5x2y=-1 2x3y=-8 5x y=3 2x2y=9 9x8y=-4 8x9y=-26 x3y=0 3x3y=3 4x y=-3 5x y=5 8x
2、4y=-6 5x4y=26 5x2y=7 3x3y=1 2x2y=0 2x5y=7 5x y=-2 9x9y=-16 4x3y=2 5x y=2 x5y=-5 x5y=-8 2x8y=-1 6x9y=13 2x3y=-4 4x5y=-6 4x y=3 x3y=3 6x y=8 3x9y=-16 4x2y=-6 3x5y=9 5x y=6 x2y=-5 8x8y=-1 3x6y=15 x5y=-5 2x y=4 2x2y=-6 x5y=2 7x6y=-1 5x6y=-28 3x y=-9 4x2y=7 5x y=7 x2y=9 5x4y=7 9x y=24 4x3y=-9 x2y=-4 3x4y
3、=0 5x3y=2 2x7y=7 5x6y=17 3x2y=-6 4x4y=5 5x4y=-4 5x2y=1 3x7y=6 7x8y=-13 4x y=-7 4x3y=8 x4y=-3 x5y=5 8x2y=-3 4x5y=18 x3y=-3 3x2y=-4 3x4y=-5 x y=-2 8x9y=2 9x y=15 x3y=-3 x y=0 x3y=8 2x5y=-7 7x3y=-1 7x7y=-14 2x3y=-3 4x2y=-8 4x2y=5 5x5y=6 3x y=-9 8x9y=3 4x2y=-2 2x2y=4 x2y=-5 2x3y=-4 x9y=-2 7x8y=25 5x4y=-
4、3 2x2y=-9 3x5y=5 3x4y=-8 3x3y=-7 9x3y=1 4x3y=5 x4y=-2 5x4y=5 5x2y=4 5x3y=1 2x2y=-29 5x y=0 3x2y=2 3x5y=7 x2y=3 8x3y=9 x y=5 3x3y=-7 5x3y=3 2x4y=-8 2x4y=5 6x8y=-2 4x5y=0 4x2y=-7 2x4y=-2 x5y=-5 2x2y=6 3x2y=-5 5x3y=-23 4x5y=4 2x2y=8 5x4y=3 4x4y=-6 8x7y=8 x9y=-14 x3y=-9 2x5y=-3 3x3y=-8 x y=-8 8x9y=-1 9x
5、3y=23 x4y=8 3x y=-7 x4y=7 5x3y=-3 5x y=-8 8x5y=-27 5x3y=4 x y=0 2x y=-8 3x5y=3 4x6y=-6 2x y=15 3x5y=-7 5x2y=-8 x5y=-2 4x4y=-4 6x2y=3 5x2y=-25 5x3y=-4 3x2y=8 x y=5 x5y=-8 6x6y=-3 3x y=-6 5x2y=-5 3x5y=7 5x2y=4 4x2y=0 8x7y=9 x5y=7 2x5y=2 4x3y=-4 3x3y=5 3x5y=-1 8x9y=4 2x y=-4 2x3y=1 4x4y=0 3x3y=-2 5x y=
6、4 5x y=-1 4x2y=10 4x2y=5 2x y=-3 x5y=-7 3x5y=2 3x4y=6 5x3y=-29 4x2y=5 x4y=-2 4x y=3 2x5y=2 4x3y=-2 2x4y=11 3x y=5 3x y=8 4x5y=-5 2x4y=-5 5x6y=-2 2x9y=-22 3x3y=-4 2x5y=-6 5x2y=9 2x2y=0 9x7y=4 x y=18 x2y=-4 3x5y=7 x3y=-5 5x5y=-6 3x y=-2 9x y=0 5x3y=-6 2x y=-8 2x4y=-7 4x2y=-3 9x y=3 6x3y=6 4x3y=-1 3x5y
7、=1 2x3y=3 4x3y=6 6x5y=-2 x9y=-24 4x y=-6 4x4y=-6 x4y=-3 5x y=-7 8x8y=1 4x2y=-2 2x y=-5 5x2y=8 x3y=7 2x5y=-6 x5y=0 4x2y=19 2x4y=-3 x4y=-4 3x4y=-6 3x4y=-2 x9y=-9 3x6y=-28 3x y=8 2x3y=-1 4x2y=-3 x5y=-1 7x9y=-8 4x8y=1 x5y=-5 5x4y=-8 x3y=3 4x3y=5 3x2y=2 8x9y=-10 4x3y=8 2x3y=3 2x4y=-9 2x2y=-2 4x9y=7 8x2y=
8、-13 3x5y=-9 x2y=6 2x3y=-7 x5y=-5 3x7y=-8 8x6y=14 3x4y=3 x5y=4 x5y=0 x5y=-4 5x3y=7 9x y=27 2x2y=5 3x4y=1 3x y=6 x y=-3 4x2y=4 6x y=-17 3x2y=2 2x4y=4 5x2y=4 5x4y=3 6x7y=8 5x3y=14 x2y=-2 3x5y=-2 4x4y=-2 x y=-3 4x6y=7 5x6y=-3 5x3y=4 2x3y=-1 5x y=-4 x4y=-4 x y=9 8x3y=24 3x4y=-5 5x2y=1 3x5y=0 3x y=8 x6y=-
9、8 5x9y=-12 2x2y=9 4x y=-1 5x2y=7 4x4y=5 4x9y=3 x y=-1 5x y=-1 4x3y=-4 x3y=-5 5x2y=5 3x4y=-2 3x2y=-9 x2y=0 3x4y=-4 5x5y=-7 5x4y=-9 x9y=9 x5y=-14 x2y=3 3x3y=-7 x2y=1 x5y=-5 7x7y=8 7x3y=-12 5x4y=-4 x4y=0 x2y=-5 5x y=5 7x3y=8 8x8y=4 2x4y=-9 2x5y=8 5x3y=-3 4x3y=-1 9x8y=-7 x7y=-16 4x2y=1 x y=-8 x3y=3 5x4y=0 8x7y=-2 2x7y=26 4x5y=-8 3x2y=3 3x y=-1 4x5y=-9 7x9y=7 x3y=18 2x4y=-7 4x3y=0 5x4y=-5 3x3y=8 2x3y=2 7x4y=18 4x3y=-1 x y=5 4x2y=1 x y=7 5x5y=6 5x3y=
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