1、二元一次方程组练习题189 x2y=-1 5x9y=-2 9x2y=4 2x4y=-1 x4y=-7 3x3y=-5 2x2y=-7 2x6y=2 8x4y=-22 4x3y=-7 2x2y=-3 x2y=8 4x y=2 9x2y=2 7x2y=0 2x5y=-9 2x4y=-8 5x5y=9 2x5y=4 5x6y=0 4x3y=-19 3x3y=2 5x2y=-5 2x4y=6 5x3y=2 6x6y=0 x4y=1 x2y=-7 4x y=6 3x3y=9 2x4y=6 8x9y=-2 8x5y=-2 3x2y=-6 2x3y=-3 x4y=-8 3x4y=-8 2x7y=-1 x4y
2、=26 x4y=0 3x5y=-6 3x5y=-5 2x2y=-7 4x2y=4 4x7y=23 4x4y=-2 5x3y=-4 x4y=9 5x3y=6 4x5y=0 5x5y=-30 3x y=-9 x3y=7 2x2y=1 3x5y=9 8x6y=-4 6x3y=-5 x y=-7 2x y=0 2x5y=3 5x5y=-9 x4y=5 6x y=-14 4x2y=-4 x5y=9 5x5y=-1 4x4y=-8 9x6y=4 5x8y=-21 2x5y=-6 4x4y=2 3x3y=-7 x2y=4 7x9y=6 5x2y=-27 x5y=5 x2y=8 2x4y=-3 2x4y=6
3、7x2y=4 2x3y=5 5x2y=6 3x3y=-9 2x2y=0 2x4y=-9 8x8y=5 3x6y=20 3x3y=-1 5x3y=-8 5x4y=-4 x3y=-1 5x6y=-8 x9y=23 2x y=2 4x5y=-3 3x2y=-8 2x4y=5 9x9y=-4 7x y=14 3x5y=8 2x3y=9 2x5y=-2 x2y=5 2x y=-6 2x7y=1 4x4y=-3 5x4y=-8 2x y=3 4x2y=7 7x4y=8 8x6y=-23 2x2y=8 x5y=-9 3x4y=1 2x5y=5 3x9y=-1 x2y=-16 2x2y=8 3x3y=-4 5
4、x5y=-3 x3y=1 x6y=1 4x6y=-19 x y=-1 4x3y=1 4x y=-2 3x3y=-3 2x6y=-6 9x2y=-3 x2y=-4 4x5y=-1 3x4y=-6 3x3y=5 8x y=5 x7y=8 5x y=4 5x y=-3 5x4y=6 3x5y=-9 9x8y=2 x9y=3 2x y=-2 x4y=-2 3x4y=-6 4x5y=-2 x8y=8 7x4y=-11 4x4y=-9 3x4y=-9 x3y=-3 x5y=-2 7x3y=4 3x3y=-5 4x2y=-3 2x2y=6 2x5y=-4 3x4y=-2 3x y=-3 2x5y=11 5x
5、3y=7 3x5y=-1 3x y=6 2x2y=-8 5x4y=-9 x8y=-14 x5y=2 5x5y=0 2x5y=7 2x5y=-9 x9y=-8 9x9y=-12 2x2y=8 4x5y=6 4x y=6 x4y=-9 9x5y=2 4x4y=23 2x5y=9 4x3y=4 4x2y=-3 x4y=-6 9x8y=-1 9x y=-29 5x y=-9 5x5y=9 4x5y=-2 5x3y=-1 2x2y=-3 9x4y=-30 x4y=0 4x y=7 x4y=1 2x4y=-1 8x y=6 x6y=-20 3x3y=-4 2x y=4 5x4y=9 4x5y=-5 7x5
6、y=0 6x4y=17 3x4y=-5 2x4y=-7 x3y=6 2x4y=5 8x y=-6 2x4y=13 5x3y=6 4x3y=4 4x4y=7 x3y=-8 4x6y=-1 6x7y=19 5x3y=-8 3x y=2 5x5y=7 4x y=-5 2x2y=7 x9y=13 x5y=1 4x y=-2 3x y=-6 5x4y=-7 5x7y=0 8x y=0 x4y=-4 4x y=6 3x2y=-9 4x y=2 6x7y=-5 7x2y=-8 x4y=6 3x2y=-5 x y=2 3x2y=1 5x5y=5 4x6y=-7 2x3y=6 2x2y=-3 2x y=7 4x
7、5y=-6 7x9y=8 4x8y=-24 5x y=-9 5x5y=-8 5x5y=-7 2x4y=2 7x5y=6 2x3y=12 3x5y=-3 2x3y=5 4x2y=5 3x4y=-1 7x3y=5 7x4y=15 x y=8 2x y=-8 3x y=-4 4x5y=2 3x9y=1 5x9y=16 3x5y=0 5x3y=-2 5x4y=-1 4x2y=6 3x3y=-8 4x7y=29 2x y=0 x y=-8 5x5y=-1 5x4y=-7 4x y=8 8x6y=26 5x2y=-3 4x3y=7 x2y=0 x4y=4 8x5y=8 7x2y=15 2x2y=8 4x
8、y=3 3x2y=4 5x3y=4 9x6y=-5 4x7y=24 4x5y=5 3x2y=-6 5x3y=9 3x y=2 6x8y=7 6x4y=18 4x3y=-9 5x3y=3 2x2y=4 2x5y=-6 2x7y=-6 x5y=-12 x5y=-6 x4y=-1 5x5y=3 5x y=0 6x y=9 8x6y=24 5x3y=-8 3x4y=-1 x3y=1 4x2y=-9 4x y=9 5x4y=13 5x y=6 2x2y=0 x3y=8 3x2y=9 7x8y=5 4x5y=-6 5x3y=-7 3x2y=-7 4x3y=-4 2x5y=3 9x y=-4 3x y=17
9、 2x3y=-1 4x3y=3 3x2y=-5 3x3y=-6 6x9y=4 4x6y=11 5x3y=3 x y=-7 4x2y=6 x3y=-6 8x9y=3 7x3y=19 2x4y=-1 2x2y=9 5x5y=2 4x3y=7 8x4y=1 7x3y=1 x3y=5 4x3y=-2 5x y=3 x4y=9 x7y=-1 6x6y=2 5x y=-1 5x2y=2 x y=-4 4x y=-9 7x2y=8 6x2y=-18 2x y=5 3x2y=1 4x5y=-2 4x3y=0 9x5y=4 9x5y=27 5x y=-4 4x2y=-5 4x y=7 3x5y=-3 9x5y=
10、-9 x8y=-6 x5y=8 x4y=8 4x4y=0 4x2y=2 3x y=-7 9x3y=19 x4y=3 2x y=-6 4x y=8 3x5y=1 3x3y=1 4x8y=4 3x2y=3 x5y=-8 2x5y=-4 2x4y=-4 9x6y=2 4x y=1 5x2y=8 3x2y=-4 3x y=9 2x2y=0 9x y=4 6x5y=-24 5x y=-9 4x4y=-4 x2y=8 3x2y=9 7x5y=3 x9y=-7 5x y=-2 x4y=-8 3x2y=-6 3x y=-5 6x5y=3 5x3y=21 2x y=4 3x2y=4 x3y=-3 x2y=-1
11、6x7y=2 8x6y=-2 x5y=9 x2y=6 2x5y=-8 x4y=3 5x7y=4 3x8y=23 5x2y=-4 5x3y=-6 2x y=6 4x5y=6 6x3y=-6 5x7y=3 x2y=6 x5y=1 5x4y=1 4x4y=0 2x4y=6 4x7y=1 4x5y=-7 2x y=-6 2x y=-1 5x4y=9 6x8y=-8 x6y=-21 4x3y=6 2x2y=-2 x5y=-8 4x y=-9 7x y=9 9x7y=-9 4x y=-4 2x4y=-7 x3y=-7 4x y=2 2x4y=-5 9x7y=-7 4x y=-6 4x3y=-7 4x5y=-4 3x5y=8 4x8y=-8 3x8y=17 2x y=2 5x2y=5 4x5y=3 x2y=-9 8x6y=-1 7x9y=19 2x2y=6 4x3y=-3 x2y=-3 2x2y=6 8x2y=-4 9x y=24 2x5y=-5 3x5y=-7 4x2y=-1 5x5y=-8 8x4y=-3 5x5y=-1 4x2y=9 5x3y=-7 x2y=8 3x4y=-4 3x3y=-1 6x8y=10 x3y=-3 3x4y=6 x2y=-2 3x2y=-6 6x5y=7 8x y=18 4x3y=-3 4x5y=-6 3x2y=7
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