1、二元一次方程组练习题159 4x4y=5 x4y=-3 4x7y=-7 x2y=7 x3y=5 5x2y=3 3x4y=6 6x y=-9 6x4y=-12 x2y=-5 4x5y=-4 4x3y=8 5x4y=-3 7x6y=-9 2x8y=-9 2x2y=-4 2x y=2 5x3y=-2 x4y=6 2x2y=1 6x2y=10 3x4y=-1 5x y=-8 x y=6 2x y=-1 4x9y=4 5x7y=-18 2x3y=5 2x4y=-9 4x y=-3 x y=-4 5x y=1 x6y=6 4x3y=0 3x3y=-2 3x4y=4 3x2y=-3 9x8y=1 9x9y=
2、-8 x5y=-5 4x2y=0 5x2y=5 2x2y=-5 7x7y=-3 9x7y=-3 2x4y=2 x3y=6 2x3y=-7 2x4y=-5 3x4y=7 5x y=29 3x y=-2 3x5y=4 2x3y=-9 3x5y=3 9x3y=-2 9x3y=3 4x4y=4 x5y=-2 2x4y=-1 2x y=-7 x y=9 x6y=-14 x2y=3 4x5y=-3 5x2y=9 3x3y=-2 8x9y=-7 9x5y=25 4x4y=-6 5x2y=0 3x5y=-6 x y=-5 5x8y=2 4x y=1 5x5y=-2 5x5y=-2 x3y=9 4x y=-8
3、x9y=4 9x5y=-29 3x2y=1 x5y=3 5x5y=-7 x3y=6 x3y=4 5x4y=2 5x4y=-6 x3y=-5 x4y=7 3x3y=-4 8x5y=3 3x8y=25 5x y=-3 5x3y=6 5x2y=4 x3y=-9 2x5y=2 3x5y=7 2x4y=-8 2x4y=7 2x3y=-8 4x3y=5 3x6y=-2 4x2y=-26 4x y=6 4x5y=-6 3x y=-2 x3y=-1 9x3y=7 8x4y=15 4x y=9 5x2y=1 4x2y=3 3x y=5 6x3y=-9 2x7y=-10 4x y=5 5x y=-2 4x y=4
4、 3x5y=1 8x8y=9 2x y=-30 5x y=-6 2x y=2 4x y=-7 2x2y=6 7x7y=-3 2x2y=23 3x3y=-1 3x3y=1 2x3y=2 3x y=3 7x8y=-7 4x2y=-14 5x4y=9 3x3y=-1 3x y=-4 x5y=3 2x8y=0 x5y=-19 x2y=0 3x5y=3 x y=2 x2y=9 6x7y=-2 x y=-18 2x4y=-3 x y=-4 x4y=-3 x4y=8 4x7y=8 9x9y=-20 5x5y=-5 3x2y=-8 4x4y=-6 4x y=9 8x2y=8 3x3y=11 5x5y=-4 5
5、x3y=-8 2x5y=-8 3x3y=-3 x4y=-6 6x7y=3 3x y=-7 2x3y=3 5x3y=4 5x y=4 3x5y=4 4x3y=-20 x4y=7 4x4y=0 4x4y=9 5x4y=-1 5x6y=8 x6y=-11 2x3y=2 4x2y=0 3x4y=-9 2x4y=2 x2y=8 6x5y=-30 3x2y=-1 3x2y=1 3x3y=-6 3x3y=-2 8x3y=4 3x4y=27 2x2y=5 3x5y=1 3x4y=4 5x2y=-4 8x y=4 6x2y=8 2x4y=2 3x4y=-5 3x y=-1 4x3y=8 7x5y=5 2x7y=
6、25 3x3y=-4 4x3y=-7 2x y=6 5x5y=-1 4x3y=-6 6x5y=4 5x2y=7 x4y=-5 5x y=2 5x5y=0 7x4y=6 3x y=-1 4x4y=4 4x2y=3 2x4y=7 x5y=0 3x y=7 x y=-7 5x y=6 5x2y=2 x3y=5 5x2y=-7 4x5y=-4 9x6y=-29 x y=2 2x4y=3 3x3y=-4 x5y=2 4x8y=-5 x3y=22 x y=-3 5x2y=-5 2x2y=-6 4x2y=-5 7x y=4 9x7y=-5 x3y=3 3x3y=6 4x3y=-8 3x y=-6 9x8y=
7、3 6x9y=-2 3x2y=7 5x3y=-4 3x5y=-2 5x y=9 6x3y=5 3x y=-25 x3y=0 4x2y=-5 2x5y=-3 4x5y=1 2x6y=-2 3x5y=-4 2x y=5 5x y=-3 4x5y=-3 4x5y=-5 8x7y=9 4x7y=1 x3y=-9 x5y=4 4x5y=1 3x y=-4 2x9y=-3 x7y=-18 4x3y=2 2x5y=5 2x5y=9 4x4y=7 8x7y=-7 3x7y=13 3x2y=-5 2x3y=9 x y=4 3x2y=-1 4x3y=-9 7x4y=30 x y=-3 3x3y=8 4x3y=-5
8、 4x y=-7 5x6y=-7 8x y=15 3x5y=3 4x3y=-3 2x y=-9 4x5y=2 4x6y=-3 4x4y=-11 2x2y=-3 3x2y=5 2x3y=9 5x5y=7 9x y=1 2x3y=-10 5x5y=4 x3y=6 5x2y=5 3x2y=-7 x8y=-2 3x3y=-3 5x3y=0 4x4y=-6 x4y=-1 3x4y=-4 x y=-4 3x7y=-13 5x2y=4 3x2y=-5 2x2y=7 x2y=1 7x y=6 2x3y=16 4x2y=-3 5x3y=5 2x y=-4 5x5y=-2 7x5y=-7 7x y=-23 4x
9、y=-9 2x5y=0 x2y=1 x y=-4 7x8y=-1 2x8y=-30 2x2y=0 4x4y=4 3x4y=-3 x2y=-4 7x3y=4 x4y=18 5x y=1 3x4y=-7 x y=-4 5x3y=0 4x9y=8 7x y=25 4x5y=5 x2y=0 2x3y=9 4x2y=0 3x y=-7 2x6y=13 x5y=-2 3x5y=9 2x3y=3 4x2y=-7 7x4y=-3 x8y=-20 2x y=6 x4y=3 4x4y=-1 x3y=-9 4x4y=4 7x7y=-21 4x3y=-4 3x2y=1 x4y=4 4x3y=-8 4x9y=-9 9x
10、5y=-28 x y=3 4x4y=5 5x3y=-5 4x5y=-7 2x4y=-8 4x5y=29 3x4y=-3 x5y=-2 x2y=-4 3x3y=-3 2x5y=1 7x5y=-12 2x3y=3 4x3y=8 4x2y=-3 3x4y=0 5x5y=-8 3x7y=-30 4x2y=0 5x2y=-9 3x y=8 3x5y=2 7x y=-9 3x9y=15 3x2y=-5 4x3y=-9 x5y=-6 5x3y=8 9x6y=1 8x y=-24 x5y=-7 4x y=2 4x y=7 3x5y=2 8x3y=-8 4x y=20 5x y=4 4x5y=5 2x2y=-6
11、 5x y=-8 2x y=6 6x7y=19 4x4y=-3 2x3y=8 3x5y=-5 x2y=9 7x8y=-5 3x4y=30 3x2y=8 2x y=-5 5x3y=3 x y=-1 3x2y=-6 2x5y=-2 3x2y=-7 2x5y=6 3x2y=-4 5x y=1 7x y=-9 7x3y=8 x3y=-8 4x3y=9 3x5y=8 x2y=-8 2x3y=2 4x8y=-9 2x5y=1 5x5y=6 4x5y=-4 5x2y=4 x6y=-8 x8y=18 x4y=2 x2y=-7 2x5y=-3 4x2y=-6 4x6y=-8 6x6y=-21 2x2y=-1 4x y=-1 4x y=3 2x3y=-7 x4y=-6 x4y=-29 3x4y=2 x5y=7 5x3y=-3 3x4y=8 7x5y=-2 2x4y=17 4x2y=-8 3x4y=8 4x2y=-1 3x y=-8 x2y=4 9x y=5 5x5y=-8 2x y=-3 2x4y=0 x3y=-8 9x7y=4 4x6y=-6 2x2y=1 3x5y=1 2x3y=8 5x y=-4 2x y=-3 8x2y=29 4x5y=-1 x5y=1 2x3y=-2 5x2y=1 x3y=-3 x y=-23 4x4y=9 x5y=7 5x3y=-5
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