二元一次方程組練習(xí)題188

1、x 3y=32x y=-24x 5y=-5x y=-19x 8y=-184x 2y=62x 5y=34x 3y=63x 4y=-14x y=83x 9y=-122x 5y=74x y=-45x 3y=14x 9y=7x y=86x 5y=-225x 2y=02x 2y=22x 3y=-42x 2y=-53x y=62x y=-5x 5y=-53x 2y=13x 2y=-48x 8y=-84x 3y=95x 7y=17x y=5x2xy=-9y=-65x 7y=25x 4y=98x 3y=214x y=-64x 2y=-72x 2y=-76x 6y=-73x 3y=-9x4y=-232x 3y=

2、84x y=63x y=89x 8y=22x 4y=-55x 8y=03x 4y=3x 5y=-73x 3y=95x 4y=-3x3y=-33x 5y=285x 5y=-95x 2y=-33x 4y=-6x3y=-73x 3y=59x 2y=-64x 2y=74x 2y=-74x 3y=66x 6y=-53x 3y=38x 6y=9x y=84x 3y=-83x 5y=-47x 7y=42x 2y=96x y=-274x 3y=-2x 5y=-2x 4y=92x 7y=-7x y=-6x 5y=02x 2y=-23x 2y=-85x y=93x 2y=-23x 4y=-59x 4y=244x

3、3y=-45x 4y=22x 5y=-4x y=-3x y=-88x 8y=255x 3y=52x 2y=-8x 2y=98x 4y=3x2y=24x 5y=-263x y=45x 4y=-4x 4y=-89x 4y=14x y=05x 9y=-263x 4y=-75x 5y=8 52xx 35yy=874x 3y=52x y=87x 8y=44x 5y=34x 2y=85x y=85x y=7x y=-83x 3y=254x 5y=-46x 2y=32x 3y=-36x 8y=-252x 4y=-4x 4y=-84x 3y=74x 5y=-65x y=12x y=34x 3y=14x 8y=

4、-63x 2y=-73x 5y=53x 5y=75x 8y=03x 2y=63x 9y=65x y=52x 4y=-2x 2y=6x4y=-93x 4y=59x 5y=-94x 3y=-42x 2y=62x 2y=-48x 2y=92x 3y=-83x 6y=205x y=-48x 7y=-23x 4y=8x 5y=-92x 4y=-99x 6y=132x 3y=-52x 2y=-84x y=-25x y=-8x2y=78x 6y=154x 2y=83x 2y=-55x 2y=48x 2y=94x 4y=43x 4y=-102x 2y=63x 5y=55x 5y=89x y=-24x 2y=2

5、8x 9y=273x y=02x 2y=02x y=-47x 6y=75x 4y=-66x 3y=-205x 2y=-14x 3y=-64x 3y=49x 4y=-73x y=04x y=-142x 3y=-69x 6y=-84x 4y=-7x 5y=-23x 3y=-18x y=-155x 5y=-73x 2y=54x 2y=09x 6y=-65x 5y=47x 8y=7x 3y=33x 4y=24x 4y=3x9y=-7 2x y=-25x y=-222x 2y=-5x2y=-6x4y=-13x 2y=235x 2y=-3x y=-83x 4y=54x 3y=03x 2y=12x y=-3

6、4x 4y=65x 3y=-282x 3y=12x 6y=05x 5y=9x 5y=-42x 5y=4x 2y=25 5x 5y=-25x 5y=54x 4y=-78x 3y=95x 5y=-9x 4y=-4 3x 5y=-82x y=6x 2y=92x 7y=74x y=48x 4y=16x 5y=-33x 2y=-2x 4y=2x5y=7 2x 5y=38x 8y=-145x 4y=-55x y=-32x 5y=63x 5y=62x 3y=59x 9y=-262x 5y=6x 4y=75x 3y=65x 4y=-4x4y=77x 5y=-225x 3y=0x y=3 x 4y=38x 4y

7、=24x 3y=-79x 9y=26x y=-83x 9y=-53x 4y=88x 8y=222x 5y=-12x y=-83x 5y=-55x 3y=-23x2y=79x 7y=-34x 5y=45x 6y=-182x 5y=92x y=45x 4y=-85x 8y=-83x 2y=-43x 3y=254x 2y=-33x 5y=53x y=76x 6y=-83x 4y=65x 3y=53x 4y=-92x3y=23x 5y=12x 6y=-75x y=-45x 3y=-154x 2y=84x y=1x 5y=-59x 7y=-14x 3y=-45x 4y=272x 5y=-69x 4y=5

8、3x 4y=-74x 3y=-95x 5y=0x 5y=-33x y=-35x 5y=42x 5y=-3x5xy=-2y=-9x2y=-173x 3y=-13x 4y=73x 5y=-43x 5y=-12x 5y=79x 2y=7x 3y=03x 2y=3x 3y=-7x5y=-32x 5y=-99x 9y=-84x 3y=-73x y=-305x y=34x 3y=84x 2y=16x y=-42x y=-4x y=24x 3y=75x 3y=-95x 4y=94x y=203x y=-6x 2y=-43x y=-24x 7y=-42x 5y=72x 3y=292x 2y=-6x y=7 3

9、x 2y=27x y=-14x 3y=-17x 6y=-92x 2y=23x 5y=93x 3y=99x y=-55x y=58x 8y=-65x 4y=-84x y=-42x 2y=09x 9y=3 2x 3y=1x3y=283x 3y=25x 3y=95x 2y=-47x 3y=93x 3y=15x 2y=32x 4y=33x 7y=7x y=13x 5y=-122x 5y=13x 3y=-94x y=-37x 3y=83x 3y=-95x 2y=-33x 5y=96x 2y=-215x 4y=-55x y=83x 5y=-45x 5y=82x y=-53x 2y=-254x 3y=74x

10、 y=03x 5y=-68x 4y=94x 3y=-12x 5y=212x 4y=54x 4y=34x 3y=97x 3y=-2x2y=-82x 4y=145x 3y=-5x 4y=-43x y=-74x 3y=05x 4y=-44x 3xy=-29y=64x y=75x 4y=44x 6y=-43x 4y=75x 5y=-172x y=12x3y=23x 4y=-9x8y=82x 3y=-76x 8y=-202x 3y=-64x 7y=-19x 5y=-24x 3y=22x 5y=-85x 4y=-75x y=-95x 5y=23x 2y=-35x y=85x y=02x 5y=17x 3y

11、=-35x y=-7x y=13x 3y=-72x 2y=-44x y=195x y=-62x 5y=62x y=47x 2y=43x 2y=-15x 8y=-85x 4y=-15x 4y=63x 4y=-66x 7y=-72x 2y=-42x y=-44x 5y=5x 5y=-52x y=92x 8y=62x 2y=62x 9y=-5x y=-23x 5y=22x y=25x 7y=14x 5y=-44x 6y=-275x 3y=43x 8y=-92x 3y=14x 4y=3x 3y=-44x 4y=-23x 2y=88x 2y=83x y=03x 5y=-63x 4y=-52x 3y=-14x3y=25x y=