二元一次方程组练习题17

1、x y=-194x 3y=83x 5y=82x 2y=66x 4y=-4x3y=13x 3y=75x y=93x 8y=3x3y=-28x 8y=23x 5y=66x 4y=54x 5y=-74x 3y=-83x y=-59x 9y=-164x y=-88x 3y=14x 5y=8x 2y=64x y=36x 7y=175x y=15x y=73x 5y=3x y=4 x5y=06x 9y=1x y=24x y=62x 3y=83x 4y=12x 5y=-1x 9y=145x y=08x 5y=65x 2y=-93x 3y=-63x 5y=-3x 4y=195x 3y=64x 3y=32x 4

2、y=-3x2y=8 2x 4y=57x 4y=14x 5y=74x 3y=33x 2y=-88x 7y=53x 3y=-86x 8y=29x y=22x y=0x 5y=-84x 4y=35x 3y=53x 7y=-242x y=-32x y=63x 3y=2x 3y=-43x 3y=73x 8y=-205x 4y=53x 4y=94x y=-32x 5y=8x5y=-15x 2y=25x y=54x 2y=0x3y=12x y=-224x 3y=-52x y=12x3y=23x 4y=6 35xx 34yy=-675x 4y=65x 2y=03x y=22x 5y=1x 5y=-85x 4y

3、=-57x 2y=-14x 5y=97x 5y=-225x 5y=12x 5y=64x y=-7x8y=92x y=-69x y=-215x 3y=49x 4y=83x 2y=12x 3y=-83x 5y=-73x 2y=13x 4y=53x 4y=-95x 3y=-74x y=-22x 3y=37x 7y=294x 2y=82x 2y=82x 3y=12x 9y=-13x 5y=-9x 9y=132x 5y=95x 5y=33x 2y=-13x 3y=43x 4y=42x 3y=82x 3y=54x y=65x y=35x 9y=-1x5y=49x 8y=-45x 2y=-55x 3y=33

4、x 5y=-28x 7y=-32x 5y=-79x 3y=-22x 3y=-55x y=4x y=35x 7y=62x 2y=93x y=-284x 3y=23x 3y=43x 3y=-86x 9y=-7x4y=-78x y=1 x 5y=-7x y=-15x 4y=33x 9y=32x 5y=32x 5y=-2x 2y=62x 3y=-42x 2y=86x 5y=95x 2y=4 x 9y=19x 3y=-9x3y=1x2y=-85x y=94x 4y=-13x 2y=-23x y=-52x y=42x 2y=-62x 3y=05x 3y=79x 4y=-63x 5y=67x 3y=63x

5、2y=-22x 4y=-52x 3y=34x 6y=94x 4y=64x y=12x 3y=-18x 3y=03x 5y=-44x 7y=123x 3y=75x 3y=-15x 3y=9x4y=-35x 2y=-66x y=7x 4y=62x 3y=94x 5y=-29x 5y=-23x 5y=-24x 7y=-25x 2y=-34x 4y=23x 3y=34x 5y=-75x y=06x 4y=-83x 2y=-1x 5y=-73x 3y=-48x 6y=-33x 5y=6x 7y=-64x 4y=3x 4y=-7x 2y=-46x 7y=-4x3y=63x 8y=304x 2y=52x 4

6、y=72x 4y=-93x 5y=73x 5y=-78x 8y=294x y=4x 3y=1x 2y=77x 5y=63x 4y=3x 3y=-4x 3y=-65x 3y=15x 5y=39x 8y=3x5y=85x 6y=20x y=52x 2y=83x y=-93x 5y=43x 5y=85x 9y=-84x y=45x 3y=8x y=-34x 6y=-14x 5y=09x 4y=-252x y=-18x 8y=-7x3y=42x 5y=-9x 4y=-35x 7y=-17x2y=34x y=23x 4y=74x 4y=-63x 5y=66x y=272x 2y=57x 5y=-44x

7、4y=-33x y=-14x 4y=-85x 7y=-27x 5y=72x y=-12x y=-48x 2y=22x 5y=64x 3y=-42x 5y=42x 4y=-83x 2y=84x y=-34x y=-27x 8y=-245x 5y=-1x 3y=85x 3y=-79x 3y=42x 3y=43x 8y=-4x2y=79x 8y=65x 3y=-22x 5y=-14x 2y=9x3y=-212x y=-4x 5y=-35x y=98x 6y=93x 2y=82x 6y=8x 5y=2x 3y=2 x y=-29x 9y=13x 2y=-22x 9y=-44x 3y=1x y=-15x

8、 5y=54x 4y=-24x 3y=-55x 6y=155x 5y=-35x 5y=74x y=9x 4y=5x 5y=-28x 2y=-11x 2y=-72x 5xy=-5y=64x 2y=72x 2y=-96x 7y=84x 3y=4x y=-42x 2y=69x 3y=32x y=43x 4y=-214x 2y=25x 2y=-54x 5y=-1x y=-6 3x 2y=22x 6y=305x y=-98x 2y=34x 3y=-82x 4y=-93x 3y=-52x 8y=-53x 5y=-33x 5y=43x 2y=-84x 8y=-3x y=-58x 8y=-252x 2y=-2

9、5x 8y=45x y=34x 3y=-6x 5y=99x 4y=-12x 3y=94x 3y=13x 4y=43x y=43x 2y=94x 8y=-22x y=-35x y=-34x 3y=18x 2y=95x 5y=02x 8y=234x 5y=85x 3y=94x 3y=94x 8y=73x 3y=-44x y=125x 4y=92x 2y=85x 3y=-39x 9y=-44x y=52x 6y=3x 2y=55x y=-1x 2y=-99x 8y=6x y=83x y=-75x y=33x 9y=1x5y=43x 5y=-23x 4y=5x 8y=305x 4y=65x 3y=-2

10、5x y=-19x 2y=74x 2y=-39x 2y=13x y=-73x 2y=22x 2y=99x 2y=9x5y=-43x y=-225x 4y=82x 2y=65x y=43x 7y=13x 4y=62x 2y=63x 4y=47x 9y=25x 4y=2x y=2 5x y=-28x 7y=24x y=-6x y=-29x 3y=8x 5y=-94x 5y=45x 3y=94x 5y=93x 3y=9x 3y=22x 6y=52x 4y=89x 8y=-242x 3y=95x y=53x 4y=98x y=-14x 3y=-1x 7y=-5x y=-34x 3y=-74x y=-78x 6y=-6x3y=15x 6y=15x 4y=-82x 4y=-33x 5y=39x 7y=-85x 4y=-85x 3y=-44x 4y=-44x 2y=24x y=32x 2y=-13x y=8x 5y=113x y=3x 3y=6x 5y=77x 2y=-84x 2y=-66x 5y=242x y=-17x 7y=05x 2y=94x 5y=-65x 4y=-3x y=114x y=-32x 4y=83x y=19x 6y=33x 4y=-83x 7y=-1x 5y=23x