二元一次方程组练习题95

1、2x 3y=45x 5y=55x 2y=-94x 4y=-36x 9y=294x 4y=-74x 3y=14x 4y=-56x y=-32x 4y=-48x 9y=-212x 3y=-53x 5y=-22x 3y=-36x y=63x 4y=17x 8y=-203x y=95x 4y=44x 4y=-54x 3y=-8x2y=82x 5y=-35x 5y=35x 2y=64x 3y=88x 9y=55x 3y=-42x 2y=74x 2y=-34x 5y=-3x y=-38x 4y=-85x 3y=92x 2y=-254x 2y=25x y=-5x y=46x 4y=64x 5y=19x 3y

2、=233x y=14x y=9x 3y=-79x 3y=42x 2y=-18x 8y=-14x2y=43x 4y=-55x 5y=34x 3y=-85x 3y=77x 9y=63x 3y=-34x 2y=-93x 3y=86x y=03x y=-19x 5y=-143x 4y=-52x 4y=-54x 2y=-98x 5y=7x2y=-29x y=-275x 5y=-2x 2y=6x 5y=75x 3y=-95x 3y=-19x 6y=12x 5y=-74x 2y=-3x 2y=-46x 3y=-34x 4y=99x 8y=303x 5y=54x y=73x y=37x 2y=94x 3y=9

3、2x 9y=124x 4y=34x y=04x 5y=94x 9y=-92x 2y=-16x 6y=84x 3y=-72x 3y=33x y=74x 9y=8x y=46x 4y=254x 5y=03x 2y=-34x y=35x 2y=2x4y=72x 7y=263x 4y=-14x 3y=-64x 3y=66x 4y=-13x y=33x 3y=264x 2y=-55x y=63x 5y=-42x y=62x 5y=-55x 4y=35x 3y=-5x y=9 4x y=-59x 8y=-2x3y=-65x 3y=-293x y=-43x y=-5x 3y=34x 8y=4x2y=98x

4、4y=-6x 5y=94x y=85x 3y=05x 5y=-65x 4y=-54x 8y=84x 4y=-73x 3y=-14x 5y=43x 4y=32x 3y=22x y=-265x 5y=34x 8y=54x 2y=-99x 3y=275x 3y=9x 5y=-53x 2y=-62x y=-65x 4y=68x 8y=-42x 2y=76x 3y=-183x 2y=43x 2y=-83x 2y=-47x 8y=-55x 4y=67x 3y=-22x 5y=-82x 8y=35x 5y=-32x 3y=54x 3y=-14x 2y=-25x y=-63x 5y=32x 4y=86x 5y

5、=03x 5y=-25x 4y=-115x 5y=3x9y=223x 5y=03x2y=24x y=-78x 8y=53x 3y=13x 5y=-94x 2y=09x 9y=-13x 4y=43x 5y=125x y=9x 8y=174x 4y=95x 5y=-32x 3y=89x 7y=13x 2y=42x 9y=03x y=-98x 4y=-302x 5y=-5x 2y=-62x 3y=96x 6y=-32x 4y=85x 2y=82x 4y=5x 3y=-23 4x 5y=-54x 5y=15x 2y=-42x 8y=-22x 3y=5x2y=95x y=-4x2y=232x 2y=-2

6、2x 4y=95x 4y=-93x 6y=02x 2y=88x 6y=14x 2y=-85x 2y=-6x y=-33x 8y=1 x 4y=-75x y=-95x 4y=33x 3y=23x 4y=-49x 7y=273x 2y=-95x 3y=33x y=-83x 3y=-55x 2y=-19x 7y=26x 3y=84x 9y=03x 2y=-6x 4y=3 4x 3y=-87x 4y=65x 4y=9x y=-6 3x 2y=-9x6y=-2x4y=33x 2xy=-17y=13x 2y=5x 3y=-27x 7y=-25x y=-35x 4y=293x 4y=-9x 5y=-52x

7、2y=-13xxy=8y=84x 6y=184x 4y=-5x y=6 5x 2y=-36x y=-3x2y=-17x 2y=-32x y=73x 4y=-1x 2y=-28x 8y=-25x 3y=-87x y=-165x 3y=-84x 4y=34x y=-66x 2y=23x 2y=-12x 5y=-294x 2y=8x 4y=7x y=15x 7y=-94x 3y=87x 9y=53x 3y=37x 5y=-164x y=14x 2y=-85x 5y=85x 2y=35x 2y=78x 4y=95x 5y=5x 2y=2 3x 3y=-12x 7y=253x y=-35x 2y=33x

8、 5y=-46x y=-63x 2y=19x 6y=252x 4y=-83x 5y=-6x 5y=-58x 8y=-95x y=6x 6y=14x 2y=17x 9y=55x 4y=-34x 3y=1x y=-5x 8y=-102x 4y=6x 5y=12x 2y=9x9y=82x 4y=-1x 7y=30 4x 4y=-73x 3y=-95x 4y=5x2y=5 3x 2y=03x 6y=52x 2y=82x 3y=-44x y=54x 4y=63x y=83x 9y=124x 4y=5x 2y=22x y=-87x y=-5x2y=-52x 2y=212x 3y=-97x 6y=-43x

9、y=52x2y=7x 4y=37x 3y=114x 3y=-7x y=-82x 3y=15x 7y=-92x 4y=-59x y=14x y=-15x 3y=-43x 4y=-37x 3y=44x y=98x 4y=-13x y=33x 6y=44x 5y=-54x y=-54x y=-93x 7y=203x y=-2x y=8 3x 5y=9x 3y=-44x y=-57x 9y=192x 3y=-24x 2y=-73x y=-54x y=18x 8y=5 3x 2y=7x 5y=64x 3y=-93x 4y=45x 4y=-8x y=8x 3y=14x y=82x 5y=85x y=15x

10、 5y=-13x 5y=63x 5y=-175x 4y=-24x y=13x 2y=-55x 2y=-1x y=-1x 5y=19x y=-33x 5y=-6x 5y=-48x 4y=33x 2y=-56x 7y=13x y=-9x 4y=4 x 4y=-68x 7y=15x y=13x 5y=-264x 5y=73x2y=22x 3y=95x 2y=-25x 4y=-78x 8y=32x 4y=75x 5y=02x 2y=-8x2y=-45x 5y=69x 2y=75x 3y=-8x 3y=-25 3x 5y=-44x 2y=-54x 4y=66x 6y=4x2y=9x 4y=94x 2y=83x 6y=-45x 2y=-96x 6y=-72x 3y=-55x 4y=-75x 5y=84x 5y=-2x 2y=67x 7y=-55x 5y=43x 5y=85x 4y=67x 8y=35x 2y=66x 4y=85x 5y=26x 5y=-32x y=94x 3y=-22x 2y=84x 3y=-53x 5y=33x 5y=-1x 5y=14x 2y=-74x 4y=05x 2y=104x y=32x 5y=52x 2y=-34x 8y=292x 5y=2x 3y=-83x y=-67x 3y=-63x 3y=4x y=6 4x 3y=-3x 4y=95x 4y=-94