1、二元一次方程组练习题168 2x4y=5 9x8y=3 8x3y=20 x2y=9 3x2y=6 x y=-7 3x5y=4 2x9y=-8 4x7y=-15 5x y=2 2x4y=-6 2x5y=8 3x y=-5 6x3y=-6 2x4y=0 x4y=5 4x3y=1 5x5y=-8 x4y=1 6x3y=4 4x9y=-20 5x2y=-1 4x5y=-6 2x2y=0 2x2y=3 8x7y=-2 2x6y=-11 5x5y=0 4x4y=6 3x2y=-5 3x4y=8 3x9y=-1 6x3y=15 5x4y=-6 5x2y=4 5x y=7 x3y=5 5x7y=-5 5x3y
2、=-17 5x5y=6 3x5y=-6 3x y=3 3x4y=4 6x7y=9 4x5y=14 3x4y=7 5x2y=-7 3x4y=-6 4x5y=0 6x9y=4 9x y=25 2x5y=9 5x5y=5 3x5y=2 x3y=7 3x5y=0 2x7y=27 x3y=6 2x3y=8 4x4y=3 2x3y=6 7x3y=6 4x7y=13 4x2y=-9 3x3y=-7 4x4y=1 3x3y=-8 2x6y=1 4x7y=9 x4y=-6 x y=-7 4x3y=5 3x2y=8 7x8y=-6 6x y=-25 4x y=9 2x y=-5 5x y=4 5x3y=6 x7y
3、=-2 2x5y=-12 4x4y=3 3x y=2 4x4y=0 x3y=-6 3x9y=-7 8x4y=-10 x y=-1 x y=-5 5x4y=1 3x y=-9 7x y=-7 8x6y=6 3x y=-5 5x4y=-3 4x5y=0 3x5y=0 8x7y=-6 4x5y=13 3x2y=-8 3x5y=2 5x2y=2 2x2y=2 4x5y=8 4x4y=13 3x5y=7 2x3y=0 3x4y=-3 3x2y=-2 5x6y=8 9x2y=-1 x4y=-5 2x y=6 2x2y=-8 x3y=8 4x3y=6 9x3y=16 x y=-2 2x y=4 3x5y=3
4、 3x3y=-2 7x4y=8 6x7y=-9 x3y=0 4x4y=-1 x4y=-3 5x2y=-1 5x9y=0 6x7y=-26 4x5y=7 3x y=-1 4x2y=-4 3x5y=2 2x8y=3 6x2y=-24 3x3y=-2 4x4y=2 4x2y=-4 4x5y=3 3x3y=3 9x9y=20 4x5y=-9 5x y=8 4x3y=6 3x5y=-3 8x8y=-6 9x4y=21 3x3y=9 4x5y=-4 3x2y=5 x2y=-6 7x8y=-6 7x7y=-26 2x2y=8 2x2y=-1 x y=-9 3x3y=-2 5x8y=-2 8x4y=-28 x
5、4y=-6 4x5y=7 2x y=1 x4y=8 6x9y=9 7x y=-8 3x3y=4 2x3y=7 2x4y=6 5x y=-6 6x4y=-2 2x9y=-18 2x4y=-2 3x y=4 5x2y=-9 5x3y=-3 7x y=-5 2x2y=-14 3x4y=-3 5x5y=-6 5x4y=-9 3x2y=4 x4y=2 x y=-28 2x4y=0 5x2y=-2 x4y=-2 5x y=0 5x5y=-4 3x3y=24 5x y=-5 x4y=5 3x4y=3 5x5y=-3 2x6y=-2 8x7y=28 2x3y=2 3x y=-8 3x2y=-6 2x5y=-4
6、 x7y=-3 x3y=-27 2x2y=3 x2y=-3 4x y=4 3x y=2 6x6y=2 9x2y=-19 5x4y=2 4x5y=9 5x3y=9 2x2y=8 8x8y=-7 5x2y=8 5x2y=5 2x y=-5 5x y=0 4x y=4 5x8y=1 4x2y=-28 5x4y=-3 5x4y=8 2x5y=2 5x5y=-4 7x3y=0 5x8y=25 4x3y=-3 x y=3 x5y=-5 4x2y=-7 8x2y=-9 5x5y=27 5x2y=4 x4y=-1 5x2y=-3 3x2y=-5 5x9y=-9 x5y=3 2x y=5 3x4y=-5 2x
7、y=1 4x2y=2 2x8y=2 4x9y=29 3x5y=2 x2y=-9 x4y=-7 x2y=-4 8x6y=2 2x6y=-25 x5y=-4 3x y=4 2x2y=-3 x5y=5 9x8y=-6 5x9y=5 3x3y=1 5x2y=-8 5x2y=2 5x y=0 4x3y=-7 5x4y=-10 3x4y=8 5x4y=8 4x y=4 x5y=1 6x7y=-3 7x5y=3 2x3y=-7 2x2y=7 2x3y=4 3x3y=-8 6x7y=3 9x5y=-15 x y=-2 2x5y=-6 5x4y=-7 2x2y=-4 7x4y=6 2x6y=15 x4y=1 2
8、x4y=6 x3y=-3 3x3y=2 9x6y=3 5x2y=-2 4x3y=6 4x3y=0 4x3y=-3 5x4y=6 8x7y=0 6x3y=26 2x y=-1 2x y=-7 x2y=2 5x4y=-8 9x2y=1 5x9y=21 2x4y=8 2x2y=2 2x3y=-4 4x5y=2 5x6y=6 3x7y=-21 x4y=4 x3y=-8 4x4y=0 x y=-4 3x y=6 3x9y=-3 4x5y=2 4x5y=-8 4x2y=1 2x3y=-2 8x5y=1 8x8y=16 x4y=3 5x4y=-1 3x4y=7 5x3y=7 2x2y=9 3x y=30 2
9、x5y=-5 4x5y=7 4x4y=0 x3y=-2 7x6y=-3 5x4y=-7 2x5y=5 5x3y=7 5x4y=1 5x5y=-8 7x9y=6 3x3y=15 x4y=6 3x5y=-5 3x5y=-7 4x4y=7 8x7y=-4 7x3y=-12 2x3y=8 5x4y=9 x y=-1 x5y=3 5x3y=7 9x5y=-18 x5y=1 2x5y=-8 2x3y=6 3x3y=8 9x3y=9 7x8y=-11 2x5y=-1 2x3y=-4 5x3y=-9 2x3y=1 2x4y=3 2x8y=-1 3x y=-4 3x2y=-6 x5y=3 5x4y=-3 x y
10、=0 9x3y=20 2x3y=-9 3x2y=7 2x4y=8 x5y=1 5x6y=-3 5x5y=23 x2y=-4 3x y=2 4x5y=0 5x5y=4 7x3y=-9 8x6y=-29 2x y=0 4x2y=4 x4y=-2 x5y=-7 6x2y=7 7x8y=30 2x y=7 4x4y=1 2x5y=-9 3x4y=-2 2x3y=-1 8x6y=17 4x y=9 3x5y=2 2x5y=8 x2y=0 2x7y=6 3x7y=-11 4x4y=5 4x5y=-6 5x3y=4 3x4y=4 3x7y=-2 2x8y=-7 5x2y=-4 5x2y=9 2x2y=2 2
11、x2y=-2 x y=2 8x3y=-7 x5y=-4 2x5y=9 5x3y=4 4x2y=-6 5x3y=5 8x6y=-18 2x3y=2 4x y=3 4x4y=6 x5y=5 6x4y=1 6x6y=-12 3x3y=-7 x3y=-1 x4y=-5 x4y=3 5x8y=-9 3x8y=5 3x3y=-2 5x3y=2 5x2y=-4 5x4y=-2 3x9y=-3 6x4y=-20 4x4y=2 x5y=0 2x y=9 2x5y=-5 7x7y=8 4x8y=8 x2y=0 2x y=8 x2y=9 5x3y=-6 x8y=-7 5x6y=-20 x y=-7 x2y=-7 5x y=8 4x3y=-7 3x4y=-6 7x2y=0 5x2y=8 x5y=-3 2x5y=6 x5y=7 5x7y=9 7x y=13 3x2y=-6 3x5y=6 4x2y=9 2x y=-5 9x7y=3 2x8y=30 4x y=-7 4x3y=-2 2x3y=7 4x4y=9 x4y=-1 3x7y=-21 x y=-5 4x2y=-8 5x2y=3 3x y=-6 2x6y=7 4x5y=3 3x y=-8 4x2y=8 x5y=-4 x4y=-7 8x8y=1 8x2y=28 2x4y=-4 2x2y=-4 5x5y=5
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