1、人教版七年级数学下册二元一次方程组练习题271 x2y=-9 4x8y=-7 9x4y=26 x4y=0 5x y=-1 3x4y=-5 3x3y=4 8x7y=5 6x6y=26 5x5y=-4 3x3y=7 3x3y=-3 4x4y=-7 7x6y=-6 6x4y=22 2x5y=4 x2y=-4 x5y=-8 2x4y=6 4x y=1 2x7y=-27 2x y=0 5x4y=-2 4x y=4 3x3y=-3 8x6y=-3 9x4y=-21 2x3y=-2 x y=-1 x5y=8 5x4y=0 x9y=9 5x2y=-2 x4y=4 3x2y=5 4x y=-3 4x y=-8
2、5x5y=-5 x7y=-25 3x4y=3 5x3y=4 5x4y=0 x3y=-3 6x2y=-5 3x y=-16 x4y=9 5x4y=0 3x4y=-2 2x4y=8 x8y=-5 5x y=2 4x2y=-1 3x y=5 2x y=7 2x y=-8 6x4y=-3 5x y=0 4x3y=-7 3x y=4 2x2y=-8 x4y=-2 8x8y=-4 x5y=19 4x2y=-3 x2y=-9 4x5y=6 x y=1 x4y=-1 2x4y=14 3x y=3 5x3y=-9 x4y=9 3x4y=3 7x8y=-2 2x5y=16 x5y=8 5x2y=-3 2x3y=-
3、2 3x2y=-8 6x y=-3 6x3y=-26 x2y=6 5x5y=8 5x5y=-6 4x4y=-1 8x7y=3 9x6y=30 4x3y=2 5x5y=4 2x2y=0 2x y=-5 x5y=-5 x9y=10 3x3y=5 4x y=1 x4y=-4 4x y=4 3x5y=-1 x7y=26 2x5y=-3 x2y=5 3x y=-8 3x4y=-7 3x7y=2 6x7y=23 2x y=-2 x5y=2 3x5y=8 4x2y=-8 x y=-5 2x8y=-5 3x2y=5 4x y=-3 3x5y=-3 x y=9 9x2y=3 5x3y=-27 5x3y=4 3x
4、 y=-4 2x3y=0 4x5y=0 8x2y=7 3x8y=-16 3x3y=-8 3x5y=2 5x5y=7 x y=-8 8x9y=-9 6x7y=19 x y=-8 4x2y=7 x4y=8 2x y=-6 2x5y=-6 3x6y=23 4x y=-9 5x3y=6 5x3y=6 3x5y=9 8x8y=8 2x9y=10 2x3y=6 2x3y=2 5x3y=9 3x4y=8 5x2y=-6 3x7y=20 2x3y=-2 4x3y=3 5x5y=-6 2x4y=8 3x6y=9 9x9y=21 5x5y=-8 3x y=1 5x4y=-4 x5y=3 5x9y=0 5x y=-
5、8 3x5y=-7 x3y=9 2x y=-4 4x3y=0 8x y=5 8x2y=18 x2y=0 4x2y=5 3x5y=4 3x3y=4 8x y=3 6x8y=6 4x4y=4 3x5y=0 x3y=1 5x5y=1 9x5y=-7 4x5y=3 5x2y=4 x3y=-8 3x4y=2 4x y=5 6x7y=3 3x4y=4 x y=-9 2x y=7 5x3y=-7 5x4y=-9 4x5y=-8 4x2y=-15 4x3y=-2 4x3y=8 2x y=3 5x3y=9 5x7y=-5 5x6y=14 3x5y=-4 5x4y=1 x4y=2 x5y=-7 x2y=6 4x7
6、y=3 x3y=3 5x5y=0 3x2y=6 x2y=-5 8x7y=3 9x3y=-27 2x2y=8 5x3y=9 x4y=1 x5y=7 5x3y=-7 3x3y=-23 5x4y=-6 4x y=-5 3x y=4 4x2y=-9 3x9y=2 2x3y=-20 x2y=-3 2x2y=-8 3x2y=9 2x4y=4 8x4y=-8 4x7y=18 4x3y=6 5x4y=-1 4x2y=-7 2x5y=-7 7x3y=-6 2x y=23 5x3y=4 4x y=3 x5y=0 5x2y=8 4x5y=2 9x4y=30 x5y=9 x3y=-4 5x5y=-9 3x y=-6
7、3x7y=-7 x8y=-27 x3y=6 4x4y=5 4x5y=0 2x5y=-1 6x7y=8 7x6y=10 4x5y=5 4x3y=9 4x5y=8 3x2y=-8 x8y=-3 9x4y=27 3x4y=1 5x y=3 2x5y=-8 5x2y=-3 7x3y=1 8x2y=11 x2y=-6 3x2y=9 3x y=3 3x3y=1 6x3y=7 4x8y=5 5x3y=-5 5x3y=3 3x3y=-8 3x2y=4 9x y=-1 6x8y=-6 x y=7 x5y=-1 x3y=9 3x2y=-3 9x8y=9 5x4y=-6 3x3y=-2 3x2y=-6 5x3y=4
8、 x y=-8 4x3y=-2 4x5y=12 5x y=-7 2x3y=0 2x3y=7 5x3y=0 6x3y=-6 6x7y=26 2x2y=-8 x y=-8 3x5y=8 3x3y=-4 8x y=-6 7x4y=-4 2x5y=-8 3x3y=0 x2y=4 4x2y=8 3x7y=3 x6y=10 4x3y=-1 4x4y=-2 3x3y=8 5x y=4 3x5y=4 6x6y=25 3x4y=-5 2x4y=4 5x4y=1 2x2y=6 9x5y=-2 3x5y=28 5x2y=9 2x y=4 2x3y=5 x y=5 4x4y=3 5x6y=-5 3x4y=-5 3x3
9、y=8 3x3y=-1 3x4y=5 4x y=9 9x6y=11 2x5y=-4 2x2y=3 x3y=-3 x3y=4 4x6y=5 4x3y=-11 x2y=-7 4x y=4 3x y=-7 4x y=6 4x4y=1 2x8y=22 3x y=-7 5x4y=-2 3x3y=8 x2y=3 x2y=-1 5x y=14 3x2y=0 3x3y=-2 2x3y=8 x y=-2 x y=7 x y=8 x5y=2 4x3y=-9 3x4y=8 5x2y=-8 3x4y=4 3x8y=-2 5x2y=8 3x y=0 2x y=-2 5x3y=-1 9x y=3 9x2y=13 3x2y
10、=1 4x2y=-3 5x y=-8 3x y=4 2x7y=-3 x y=-13 4x4y=-1 5x4y=6 x2y=5 3x2y=-6 2x4y=1 7x8y=-1 2x y=-9 3x y=2 2x y=0 4x y=8 7x4y=2 3x2y=-20 5x3y=3 4x3y=8 2x4y=-2 x3y=5 8x6y=5 2x y=20 5x y=-8 x3y=-7 x y=3 3x3y=7 7x5y=-9 2x4y=-14 2x5y=7 x5y=-9 4x4y=4 4x y=-1 7x5y=-6 7x7y=-18 5x2y=-6 x2y=-2 5x4y=-2 2x4y=-4 7x4y
11、=4 7x5y=8 3x3y=-1 5x4y=0 4x2y=6 4x5y=7 7x6y=-8 6x9y=-19 3x3y=3 5x3y=8 3x y=1 3x3y=-5 7x5y=-3 9x2y=-7 5x5y=1 4x4y=3 x y=-1 3x5y=0 9x8y=-7 2x9y=-19 3x2y=6 5x y=-7 2x3y=9 4x4y=4 x5y=-9 4x8y=22 2x3y=-1 2x y=-5 5x2y=6 2x5y=0 2x5y=-4 9x6y=-18 3x4y=8 4x4y=0 4x y=2 5x y=6 2x9y=-6 6x y=-24 3x5y=6 5x y=-9 x4y=5 x3y=-1 7x6y=-5 3x8y=5 4x5y=2 3x5y=1 4x3y=-9 x2y=0 8x9y=9 5x8y=-18 5x2y=-8 2x4y=-4 2x y=-7 5x3y=-5 4x2y=8 7x4y=23 3x3y=-8 x3y=3 5x4y=3 4x5y=-8 5x9y=-1 2x3y=0 5x3y=4 x3y=-8 4x5y=-4 2x2y=-5 x8y=6 2x4y=4 x3y=-6 2x5y=-1 4x4y=9 2x3y=1 x y=4 4x4y=-24 4x4y=-2 2x y=3 4x3y=4
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1