1、二元一次方程组练习题231 x y=-1 3x9y=9 6x y=-20 2x5y=7 x2y=-5 2x y=-9 2x2y=-7 4x2y=6 7x2y=20 3x4y=1 2x5y=6 5x5y=-9 5x5y=3 7x7y=-4 2x6y=30 2x5y=7 x y=-9 x y=-5 x2y=-2 3x3y=-1 7x3y=-17 x4y=5 3x y=9 3x3y=2 4x4y=5 4x2y=2 2x4y=15 3x5y=4 2x2y=-1 3x2y=-3 x3y=-5 x9y=-1 3x3y=21 x y=2 4x5y=-3 2x2y=1 4x4y=6 3x6y=-8 6x y=
2、1 5x2y=-4 5x3y=4 3x5y=-1 x5y=2 2x4y=3 6x8y=23 3x3y=-9 x3y=-4 4x2y=-3 x3y=-9 5x9y=-4 6x5y=-13 x3y=-8 5x3y=-8 3x y=-1 4x y=-7 7x8y=-6 8x8y=-6 3x5y=-5 5x y=3 5x3y=1 2x2y=2 4x5y=-2 9x6y=-29 2x2y=-8 x y=5 3x3y=-8 4x4y=-6 8x7y=-2 5x y=16 4x y=-2 3x5y=0 2x2y=-7 x4y=-1 5x7y=7 7x4y=-29 x3y=-4 2x y=-3 2x3y=5
3、x2y=-3 8x4y=6 6x y=22 5x2y=-3 2x5y=9 3x y=1 5x4y=-7 6x5y=-5 9x y=17 3x4y=2 5x y=-4 4x y=2 4x y=5 3x9y=-8 3x3y=15 3x2y=-5 4x5y=1 3x4y=8 2x y=8 8x9y=-9 7x2y=17 5x4y=7 4x5y=-9 5x3y=-7 2x y=1 2x8y=1 3x6y=-7 4x2y=-1 x2y=1 x3y=2 3x y=-9 8x6y=-8 x3y=15 x y=0 3x3y=-2 3x3y=-7 2x5y=2 x2y=-6 6x2y=5 3x3y=-2 4x4
4、y=8 5x3y=-5 2x3y=2 3x5y=-2 6x3y=-9 2x3y=-7 x y=3 2x2y=9 5x5y=8 8x8y=4 3x4y=30 4x4y=-4 2x y=-5 4x3y=0 3x4y=-8 2x4y=-2 6x9y=11 5x2y=-4 2x2y=-4 3x5y=-5 x y=-2 8x9y=-2 8x3y=-4 3x2y=6 4x y=-3 3x5y=7 5x2y=3 4x5y=5 x y=23 3x5y=-3 4x y=7 3x4y=9 5x3y=-6 9x4y=-8 2x4y=-27 2x y=5 x3y=-7 3x3y=-4 2x2y=6 3x y=9 5x
5、7y=22 x4y=3 5x5y=6 3x3y=2 x y=7 5x6y=-9 4x7y=-11 2x3y=7 3x3y=-3 5x5y=3 5x3y=7 8x y=-3 x7y=-10 x2y=-9 x4y=-5 x3y=2 x y=0 3x6y=7 3x8y=-23 2x5y=6 x5y=1 4x2y=-3 4x4y=-8 4x2y=-8 7x6y=-13 5x5y=8 3x4y=-8 3x3y=-6 3x y=6 8x4y=-3 6x9y=-27 4x5y=-8 3x5y=7 5x5y=9 x y=-6 2x5y=-9 2x6y=8 x y=9 x y=1 x4y=6 2x4y=-3 7
6、x6y=-3 2x9y=-3 2x2y=0 2x2y=5 2x2y=8 3x5y=9 9x6y=-8 4x4y=26 x4y=2 2x3y=5 2x3y=3 3x5y=-3 6x7y=2 x9y=30 3x3y=-4 5x2y=1 5x y=8 3x y=4 5x5y=2 2x8y=6 5x4y=6 2x4y=-6 x3y=9 x y=7 3x3y=5 5x y=-9 x3y=-9 2x4y=0 3x3y=-7 x3y=1 5x4y=-5 6x4y=16 2x4y=-5 3x3y=5 x y=8 3x4y=-7 3x3y=5 4x2y=-15 4x y=9 5x y=7 5x2y=-9 2x
7、y=5 2x4y=5 7x4y=9 5x3y=-7 5x5y=-5 x3y=6 x y=-3 9x4y=3 5x4y=18 x5y=6 2x5y=7 x5y=4 3x5y=9 4x y=8 4x5y=25 4x y=5 3x2y=-8 4x3y=0 4x3y=0 x4y=6 6x4y=-5 5x3y=2 x2y=3 x3y=-1 x2y=-8 8x9y=2 2x2y=2 x5y=-9 3x3y=2 x5y=4 3x2y=-2 3x6y=4 2x y=-17 2x2y=9 5x5y=3 4x5y=-1 3x5y=-4 9x3y=9 9x3y=1 4x3y=2 4x3y=9 x5y=4 4x4y=
8、3 9x7y=-6 6x4y=20 x2y=-6 2x5y=-2 2x3y=0 3x4y=-7 4x7y=-2 8x7y=0 4x5y=-1 2x3y=-5 3x5y=6 5x3y=4 6x y=-2 3x9y=13 x3y=9 3x3y=-1 2x y=7 x5y=0 8x5y=-6 9x4y=0 2x4y=-4 5x4y=8 5x5y=7 3x2y=1 3x y=3 3x9y=29 2x4y=-5 4x2y=-8 x4y=-1 x4y=5 x y=-7 x3y=29 2x3y=7 5x4y=3 3x y=7 3x2y=-7 8x2y=-1 8x2y=1 5x5y=7 x5y=6 3x2y=
9、-6 3x2y=7 x9y=-7 7x5y=-24 5x4y=0 4x5y=4 4x5y=-5 5x3y=-7 7x4y=1 3x3y=7 4x3y=3 3x y=4 2x3y=1 x y=-1 5x2y=-8 8x6y=-29 x3y=7 2x3y=5 2x3y=-7 2x3y=6 2x8y=-1 6x y=17 4x5y=-9 4x3y=3 3x4y=-2 x y=-3 6x6y=9 4x4y=9 5x2y=-1 3x5y=-7 x3y=-3 4x2y=6 9x9y=8 2x y=11 4x y=0 2x4y=-3 x2y=-4 3x5y=-1 9x y=0 x2y=2 3x3y=-5 5
10、x3y=-9 2x4y=-2 x3y=-2 x7y=-5 x5y=4 2x y=2 5x3y=3 5x5y=-2 5x4y=-9 2x7y=5 6x5y=20 x3y=-8 4x y=8 4x4y=-3 4x y=3 7x5y=3 7x6y=-25 4x3y=-2 3x3y=7 3x5y=-6 2x y=-6 9x9y=-5 5x5y=-6 x3y=7 5x4y=-9 x5y=8 x3y=-2 9x6y=-1 5x y=24 3x4y=-4 3x5y=9 5x y=-9 3x3y=1 4x3y=6 7x4y=-8 3x2y=-1 5x3y=7 5x4y=2 2x4y=-4 x7y=9 2x9y
11、=-18 2x5y=2 x2y=-5 3x2y=1 2x5y=-2 4x7y=9 9x7y=24 3x3y=-2 5x2y=4 4x5y=4 3x2y=8 6x4y=-8 8x5y=-6 5x2y=-5 x5y=-8 x3y=2 4x4y=9 8x y=2 3x6y=4 4x3y=-2 3x5y=2 5x3y=5 2x y=4 6x9y=5 3x5y=4 5x4y=8 3x4y=-9 5x2y=-9 4x5y=0 6x3y=6 3x y=-15 5x5y=7 2x4y=7 2x4y=6 3x4y=-5 6x y=5 x5y=3 x4y=4 x5y=0 x4y=2 5x4y=9 8x y=6 6x9y=-7 x y=-4 5x4y=-4 x2y=-2 2x5y=7 6x8y=1 x5y=-5 5x3y=1 5x y=9 x4y=2 5x2y=-6 8x5y=8 4x9y=3 x y=-9 3x4y=-5 5x5y=1 x5y=-1 6x4y=8 5x8y=2 5x5y=-1 5x2y=1 3x3y=-4 4x3y=3 x6y=4 6x8y=-28 3x3y=9 2x3y=-8 2x3y=-3 4x5y=-1 2x5y=-6 7x7y=-15 5x3y=0 3x5y=9 5x4y=2
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