1、人教版七年级数学下册二元一次方程组练习题41 x3y=-2 5x4y=-5 4x7y=-1 3x5y=6 3x3y=-4 5x y=9 4x5y=2 9x5y=6 4x8y=-21 4x y=4 x2y=-5 4x y=-3 x3y=3 7x2y=1 9x3y=-9 5x y=-9 3x3y=-9 2x2y=-3 5x y=4 x y=2 5x8y=-5 x2y=4 5x y=6 2x2y=4 2x2y=-4 2x6y=9 2x3y=21 3x3y=2 4x4y=6 4x3y=7 2x5y=-9 5x5y=3 9x5y=8 4x y=7 5x2y=0 3x5y=-9 3x4y=-1 x y=7
2、 8x7y=-23 5x3y=-5 3x2y=8 5x5y=-6 4x4y=6 6x y=8 9x8y=-26 4x4y=6 x4y=0 2x5y=-9 4x2y=-9 6x5y=5 4x2y=19 x y=2 2x4y=3 3x y=4 x3y=5 6x4y=-9 7x3y=17 2x4y=-8 4x3y=3 4x3y=6 3x y=2 9x5y=3 5x6y=-19 5x2y=-8 5x2y=4 2x3y=-5 2x y=-4 9x2y=-1 8x y=-2 4x3y=-4 4x5y=-3 5x y=-1 3x5y=1 5x4y=6 5x5y=18 2x4y=2 5x4y=7 x5y=5
3、3x3y=7 7x9y=0 x6y=23 2x5y=-1 3x y=0 3x2y=8 2x5y=-9 x4y=6 2x7y=-12 2x5y=-9 2x4y=3 2x4y=8 4x5y=4 7x9y=6 8x3y=-23 3x3y=1 5x y=9 2x2y=-2 2x3y=-5 2x9y=1 4x3y=-11 2x3y=-4 2x4y=-7 2x5y=4 x3y=6 5x5y=-9 x8y=16 4x3y=-8 x4y=-3 2x4y=5 5x5y=8 8x5y=9 7x7y=-11 x5y=6 2x5y=3 4x4y=7 3x3y=-2 4x4y=3 7x5y=-6 4x5y=4 5x y
4、=3 4x2y=2 4x y=-7 5x8y=-1 x8y=-15 3x4y=-1 3x4y=1 2x2y=-5 5x y=5 7x2y=2 2x2y=19 5x5y=-1 x y=-3 4x2y=-8 5x y=-5 x8y=1 5x y=-26 4x2y=8 3x4y=-4 2x3y=-1 5x y=7 8x5y=-8 6x9y=30 2x2y=-5 5x4y=0 2x3y=3 4x y=-1 6x7y=0 3x7y=6 2x5y=7 4x y=-9 3x3y=9 3x4y=-7 7x3y=-8 2x3y=4 5x4y=3 2x3y=-7 2x5y=-4 4x y=3 7x5y=1 x7y
5、=-27 5x4y=8 2x3y=9 4x y=-4 4x2y=-7 5x4y=-9 6x y=-10 x y=2 4x4y=-8 2x5y=1 3x2y=7 2x7y=3 2x2y=-27 5x3y=-2 4x y=2 4x y=-8 x4y=-9 8x4y=-5 8x8y=-28 x y=-8 5x3y=2 5x5y=0 2x5y=-4 3x7y=4 x3y=-9 4x2y=-9 4x4y=-6 2x y=8 3x4y=9 2x2y=3 4x4y=24 5x3y=-2 x3y=9 3x5y=6 4x2y=-1 6x6y=6 8x9y=-18 5x2y=-8 2x3y=7 2x3y=7 3x
6、 y=5 6x y=-2 6x4y=26 2x5y=-5 4x4y=-6 x y=-9 x5y=-6 7x2y=-2 9x y=12 x2y=-3 2x3y=0 x5y=0 x4y=-1 x7y=9 6x2y=7 3x4y=8 4x3y=-4 2x3y=-8 4x2y=-4 2x3y=5 6x8y=-19 4x5y=2 5x5y=-8 4x4y=-5 3x3y=-1 7x y=-1 7x4y=-30 5x4y=-6 5x y=9 5x3y=-1 2x2y=8 2x6y=4 3x2y=-7 5x3y=-4 2x3y=-1 x3y=-6 2x3y=-2 2x4y=8 4x8y=13 4x2y=-7
7、 5x4y=7 4x2y=-1 2x y=-6 8x8y=8 6x9y=19 x3y=-1 3x3y=-5 5x5y=5 5x5y=8 7x4y=-8 9x4y=1 3x3y=-7 5x y=-2 x2y=9 5x4y=-9 6x2y=6 4x y=-19 x5y=5 x2y=-1 5x2y=0 3x3y=-4 8x8y=-6 7x6y=16 x2y=7 4x4y=4 4x3y=2 4x y=-1 x6y=-8 6x4y=-9 3x2y=-6 2x4y=-1 5x5y=-4 5x5y=8 5x4y=-5 5x y=-13 2x5y=4 3x2y=4 4x5y=-8 2x3y=0 9x y=-8
8、 4x4y=-24 4x5y=-4 4x4y=5 2x3y=-5 x2y=6 8x3y=5 4x5y=-17 3x2y=3 2x2y=2 3x3y=7 x3y=4 5x6y=0 4x9y=-24 4x2y=-9 3x3y=-9 5x5y=-4 5x5y=1 9x2y=7 8x3y=9 3x3y=2 4x y=8 5x5y=-4 x y=0 x9y=-4 4x5y=1 x y=-4 x3y=9 5x5y=7 5x y=4 3x3y=-1 8x y=-6 5x4y=-4 x3y=6 2x y=2 x4y=2 8x3y=-2 6x8y=-28 3x2y=3 3x2y=-9 2x y=2 x5y=2
9、8x5y=1 5x3y=-28 5x3y=-6 3x4y=-4 2x y=-6 4x3y=-1 x9y=1 2x5y=-19 2x4y=-5 5x4y=2 2x3y=2 3x4y=-7 8x8y=-3 7x3y=-27 2x2y=6 x5y=3 3x2y=1 5x3y=-7 3x3y=-8 9x9y=0 x y=8 4x y=-2 3x2y=-6 x5y=0 2x6y=-6 6x9y=-28 x4y=-6 x3y=8 5x3y=-5 2x y=-5 7x3y=1 5x6y=-3 5x y=7 x2y=-6 2x2y=-1 x y=4 8x9y=0 5x6y=19 4x4y=4 3x5y=6 x3y=-9 5x3y=-3 x7y=-6 4x5y=-13 3x4y=9 5x y=7 4x y=9 4x2y=8 4x8y=5 7x8y=24 5x y=9 3x3y=-4 3x2y=-3 4x2y=-9 3x6y=-6 x9y=12 2x2y=-2 x2y=0 2x4y=-1 2x4y=0 2x3
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