1、二元一次方程组练习题315 3x2y=3 8x9y=-3 8x6y=24 5x4y=0 2x3y=7 4x y=-2 4x4y=8 2x2y=6 7x3y=6 2x y=-8 4x y=6 5x4y=2 4x4y=-7 6x7y=-7 4x3y=-5 x5y=3 2x4y=-1 5x y=-7 x2y=4 3x y=-3 4x9y=30 2x2y=-1 4x y=-2 4x2y=-7 3x5y=9 7x7y=-2 4x7y=-29 3x5y=2 2x y=2 x3y=-4 x3y=7 8x3y=6 3x8y=-7 5x y=9 2x5y=1 5x3y=-6 5x4y=9 9x6y=-6 2x7
2、y=-23 5x3y=-6 3x4y=-7 3x4y=-2 5x5y=1 4x7y=0 5x7y=7 x2y=5 x4y=-7 3x5y=-4 2x2y=0 7x8y=5 8x7y=9 5x5y=-1 4x2y=-8 3x4y=-3 x4y=-9 3x5y=8 4x8y=19 3x4y=-5 3x2y=4 4x4y=2 3x2y=-8 7x2y=1 2x6y=6 x y=-3 5x3y=-1 5x5y=9 3x2y=-1 4x y=3 9x2y=-12 5x3y=-2 5x y=3 x4y=-3 3x3y=3 6x7y=-2 4x y=24 3x2y=0 3x4y=-1 4x y=4 x3y=
3、5 3x6y=8 5x3y=-30 3x5y=2 3x5y=0 4x3y=-7 4x3y=-2 8x5y=-5 4x y=-12 4x5y=-2 3x2y=5 x y=9 2x4y=-9 4x5y=-3 4x7y=-7 x5y=-6 3x3y=7 5x2y=-6 2x2y=4 4x2y=-1 5x8y=-4 2x2y=-2 5x2y=-1 3x5y=-8 x5y=9 6x2y=7 8x y=-22 x3y=-1 x3y=-5 2x y=4 2x5y=-9 9x5y=2 9x6y=12 x y=5 3x4y=-7 x3y=9 4x2y=7 6x y=8 5x5y=-28 3x3y=-2 x5y=
4、-1 x2y=-7 5x y=-1 3x2y=-9 8x7y=-22 x3y=8 2x4y=1 5x y=4 4x2y=-7 x2y=-8 8x7y=5 4x2y=-2 4x2y=-9 5x5y=5 2x2y=0 3x4y=8 7x2y=23 2x5y=-7 2x y=4 2x2y=4 2x5y=1 8x5y=-7 9x7y=21 4x y=3 3x3y=5 2x5y=-1 x4y=8 5x8y=5 7x6y=14 x4y=7 5x y=5 5x5y=-5 5x2y=3 6x2y=-8 x4y=7 x3y=5 3x4y=0 3x2y=8 3x5y=1 3x7y=8 2x2y=-3 2x4y=0
5、 4x4y=4 x3y=-7 2x y=9 8x3y=4 6x4y=-21 4x4y=-5 4x3y=-8 x y=-4 x3y=-1 9x9y=5 5x y=18 3x4y=4 3x4y=7 3x y=-5 x5y=-3 8x7y=-7 8x y=23 5x2y=9 5x y=2 5x4y=-9 5x5y=0 2x2y=5 7x8y=-28 2x3y=-5 5x3y=3 5x2y=5 3x y=4 6x y=-7 3x5y=30 2x4y=-4 5x2y=-5 4x y=-2 2x2y=-9 6x4y=-5 2x6y=-3 x4y=4 3x y=7 4x y=6 2x5y=9 7x9y=3
6、5x3y=-5 4x y=-3 5x y=4 x5y=-1 3x2y=-7 8x7y=-2 x5y=-13 5x4y=0 4x5y=-4 x5y=0 4x5y=-2 4x8y=-3 6x2y=-11 x3y=-5 4x4y=-6 2x2y=7 3x y=8 7x y=-7 7x9y=14 4x3y=3 5x2y=8 3x5y=-7 4x y=9 5x y=-6 2x9y=1 5x3y=5 3x y=-3 x2y=-2 5x3y=3 8x6y=4 3x5y=27 3x4y=-9 2x5y=8 4x4y=6 5x y=8 2x y=-6 4x2y=10 5x3y=-1 3x4y=-1 5x2y=8
7、 4x4y=4 9x7y=6 9x2y=13 5x2y=-8 x4y=1 x2y=5 5x4y=-4 8x y=1 8x4y=8 2x y=-1 5x y=3 4x2y=-3 3x3y=-8 6x7y=-6 4x2y=-12 5x3y=7 3x5y=8 x2y=6 x5y=-2 4x7y=-6 3x5y=2 x4y=0 2x y=1 3x5y=8 x3y=0 3x8y=-7 7x2y=-23 5x4y=-3 5x y=1 2x4y=9 5x5y=1 x8y=4 5x4y=-10 5x5y=5 4x2y=-7 5x3y=-1 x5y=6 4x4y=1 8x3y=26 3x3y=4 5x2y=-6
8、 3x y=-3 4x y=-4 8x2y=6 3x5y=-20 5x2y=-4 2x y=2 5x3y=9 x3y=2 2x6y=4 2x3y=-17 3x3y=1 x4y=9 x3y=4 2x5y=9 2x3y=-8 9x y=-11 2x2y=4 2x2y=-8 x2y=4 3x3y=-1 x6y=4 3x7y=-23 3x3y=-4 3x y=-1 x5y=3 x3y=-6 2x9y=-6 3x y=0 x y=-8 5x2y=-6 4x4y=9 3x4y=-7 3x y=2 9x2y=-25 x y=5 5x4y=0 x2y=-8 4x5y=7 5x9y=-2 6x7y=-3 2x5y=6 2x3y=3 5x3y=-6 x3y=0 5x2y=-2 7x7y=27 5x2y=-8 x y=-5 4x2y=-2 3x3y=-5 x3y=-8 4x3y=3 5x2y=-8 2x4y=-6 2x y=2 x y=-5 7x y=-2 5x3y=-22 2x y=-1 2x4y=5 x5y=9
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