1、二元一次方程组练习题299 5x y=1 7x2y=4 5x5y=-7 3x5y=8 4x3y=-3 2x y=-3 5x5y=3 6x2y=-8 3x2y=7 5x3y=-3 4x5y=2 2x4y=2 3x5y=8 9x3y=-1 9x8y=1 2x2y=-8 5x2y=-8 5x3y=-9 5x4y=-8 5x6y=-2 3x8y=-2 5x5y=5 x2y=-8 4x3y=1 2x3y=5 7x3y=4 8x8y=-18 2x5y=-6 5x4y=6 3x y=1 5x y=-7 x6y=-6 4x2y=0 x4y=-5 2x5y=-1 x2y=-4 4x3y=5 x2y=3 9x7y
2、=-30 2x3y=3 5x y=-2 5x y=-6 3x4y=9 6x9y=9 8x5y=27 4x5y=-6 4x2y=1 3x2y=-1 5x5y=-4 2x8y=7 5x3y=-17 4x2y=5 3x y=2 3x2y=6 5x2y=4 9x5y=7 4x2y=22 x2y=-3 4x5y=-4 3x y=8 x2y=2 3x4y=-6 9x9y=0 3x2y=4 x2y=-5 2x y=5 4x3y=-7 2x6y=4 x5y=1 5x y=1 4x2y=-4 4x5y=4 x y=7 5x7y=-3 7x2y=27 3x4y=5 3x3y=-2 x3y=-3 x3y=-9 8x
3、4y=3 2x7y=2 4x3y=2 x5y=6 2x3y=-7 2x2y=-3 4x9y=-2 7x9y=10 3x y=4 5x4y=-3 3x3y=6 5x3y=-3 x5y=0 2x5y=9 x5y=-5 4x3y=-6 4x4y=-2 3x4y=7 9x6y=6 9x3y=-23 4x4y=4 4x4y=-5 4x2y=-9 3x4y=9 2x6y=-9 3x y=-11 2x2y=5 x2y=-7 5x3y=-2 2x y=-4 8x y=3 2x4y=19 4x4y=4 4x4y=9 2x3y=-1 x3y=7 7x7y=-4 6x3y=-8 4x2y=5 4x5y=9 2x3y
4、=1 3x y=-8 4x9y=5 3x9y=26 5x y=3 2x4y=-3 3x2y=6 5x4y=-6 6x7y=-5 3x6y=12 4x4y=-5 5x5y=-8 3x2y=1 2x y=7 3x5y=-5 6x6y=18 2x5y=5 4x3y=0 5x4y=8 3x y=-8 6x4y=2 6x8y=19 4x3y=7 4x y=-4 2x y=9 5x2y=-7 x5y=7 9x2y=-24 5x y=-6 4x2y=-2 x2y=9 2x3y=2 7x6y=-2 2x7y=19 x2y=-5 2x3y=3 5x y=8 4x y=-1 2x2y=-2 6x7y=-27 2x
5、2y=8 3x2y=-1 x4y=-3 4x2y=-4 5x2y=-8 4x9y=-15 2x4y=1 3x2y=1 5x2y=-4 2x y=-7 4x9y=-1 4x2y=5 x5y=-1 x3y=-5 5x4y=-2 2x5y=8 9x2y=2 7x4y=-18 4x4y=5 x3y=-7 3x2y=-9 2x3y=-2 6x3y=-7 8x4y=-13 4x y=6 2x4y=9 3x2y=-1 3x3y=-8 x2y=-7 7x7y=-15 x y=9 x5y=2 5x4y=2 x3y=-8 5x5y=8 6x5y=3 3x2y=9 5x5y=-7 4x4y=-2 5x4y=-7 6
6、x8y=-6 9x3y=29 x3y=3 x4y=6 4x y=6 4x4y=-2 9x2y=3 9x2y=4 4x y=4 4x y=-5 3x2y=1 4x2y=9 2x2y=3 9x5y=21 x3y=8 x2y=6 4x2y=0 2x4y=1 2x2y=9 6x y=27 x3y=-2 3x4y=3 4x y=7 x5y=4 5x y=-2 6x6y=-6 4x y=-7 4x3y=-9 x3y=-2 5x4y=6 4x7y=1 5x7y=21 x2y=8 3x y=3 x2y=7 4x y=-5 9x7y=9 7x4y=-26 3x y=2 2x5y=-1 3x2y=-6 3x3y=
7、-3 x3y=8 8x2y=-11 2x5y=-6 2x3y=-1 5x3y=9 5x y=7 9x7y=1 6x6y=-16 2x3y=4 4x3y=-4 5x y=-5 2x y=-5 2x2y=-8 7x8y=12 2x5y=-8 3x5y=0 5x3y=-6 4x4y=4 5x8y=7 9x3y=-21 3x3y=8 5x2y=-1 4x2y=6 2x2y=-8 6x3y=-1 5x2y=28 2x y=-2 5x4y=-7 3x5y=-7 3x3y=-6 9x6y=-1 x4y=14 2x4y=9 x3y=-9 x2y=-5 5x y=-1 2x9y=8 5x3y=-21 x2y=0
8、 3x4y=-5 4x2y=-8 x3y=-8 5x3y=-7 9x5y=15 x5y=-2 3x4y=-1 4x5y=3 3x2y=5 x6y=-6 4x6y=-4 x4y=2 2x4y=6 5x5y=-5 x4y=-1 2x6y=-3 2x3y=15 4x5y=-4 2x y=6 5x2y=9 4x2y=-7 8x2y=-6 8x5y=13 3x5y=3 4x3y=-9 5x2y=-3 5x3y=5 x9y=6 9x8y=-15 x2y=-7 5x2y=1 2x y=-2 x4y=-9 9x7y=3 9x5y=19 2x5y=-8 3x y=2 4x y=9 3x5y=2 9x4y=-4
9、4x3y=9 2x2y=6 3x y=-5 5x y=-4 x5y=2 6x5y=-4 4x9y=-19 x2y=5 5x y=9 2x2y=-9 4x3y=-2 5x y=-7 2x9y=-6 3x3y=-9 5x2y=-3 3x4y=2 x2y=-8 2x6y=-1 2x9y=24 4x5y=6 5x y=2 3x5y=8 x3y=0 9x3y=8 4x2y=6 5x y=-7 2x5y=7 x5y=-5 5x2y=7 x7y=2 x9y=18 5x y=3 x2y=-7 2x5y=8 5x2y=7 4x6y=-5 x8y=-4 5x y=-4 5x2y=-8 4x2y=5 4x2y=6
10、4x3y=-9 3x y=17 x3y=-9 2x3y=7 4x3y=-6 4x2y=2 5x5y=1 x y=-7 x2y=9 3x3y=2 x5y=-9 3x2y=3 9x6y=-4 8x6y=0 5x2y=-1 3x2y=-2 x3y=-7 x y=7 4x6y=4 x6y=20 2x2y=-6 2x4y=-7 3x y=-6 3x2y=6 x7y=7 7x y=-2 5x3y=-4 2x5y=-6 5x5y=9 2x4y=-6 6x9y=4 6x5y=16 4x2y=3 2x5y=-2 5x4y=-6 5x5y=6 3x7y=-4 8x7y=5 x y=2 x4y=7 4x4y=-2
11、x4y=-1 9x5y=3 9x9y=25 4x2y=-2 2x4y=9 3x3y=5 5x y=-9 6x8y=1 5x7y=-13 4x2y=2 5x3y=-3 2x5y=7 3x y=1 8x y=9 3x6y=-26 3x2y=7 4x3y=5 4x2y=7 4x5y=2 6x8y=-6 2x4y=0 x2y=8 2x4y=-7 x3y=9 5x5y=4 6x7y=-6 5x2y=1 5x5y=-4 4x y=-5 4x2y=0 2x4y=-7 6x9y=-4 7x9y=-1 5x3y=-4 3x4y=0 x2y=6 3x3y=-1 5x7y=-7 3x y=3 5x4y=2 3x4y=1 x y=6 x y=5 2x5y=1 4x7y=-19 4x3y=-2 3x3y=-8 x y=-7 x2y=-6 8x3y=-9 4x6y=15 4x2y=-3 2x3y=9 x2y=-1 2x4y=-5 6x4y=7 3x7y=15 5x3y=4 x4y=-9 4x3y=9 4x2y=-7 3x6y=9 7x3y=29 4x2y=6 3x y=7 3x4y=-9 3x y=7 2x5y=7 5x3y=-1 3x2y=1 3x3y=-8 x3y=3 5x y=-6 4x9y=9 5x5y=-8 4x5y=7 4x4y=6 x4y=-1
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