二元一次方程組練習(xí)題73

1、3x 2y=-84x 2y=97x 9y=-35x 3y=-47x 8y=304x 5y=-93x 3y=6 32xx 53yy=623x 6y=3 3x 2y=-35x 6y=-23x 2y=-63x 2y=-5x 4y=03x 4y=-8x4y=06x 8y=16x y=-97x 6y=-255x y=93x y=9x 3y=17x 6y=-82x y=-32x y=-9x 3y=88x 7y=-63x 4y=-37x 6y=-265x 5y=65x 2y=-74x y=-2x8y=-74x 5y=-14x 2y=-14x 2y=-16x 9y=32x 5y=-65x 4y=-164x 5

2、y=73x y=32x 3y=-14x 3y=23x 4y=-16x 9y=92x 2y=34x y=54x 2y=-58x 5y=-145x 5y=-55x 3y=02x y=2x4y=-73x 3y=25x 5y=-85x 2y=-96x 9y=-7 2x 2y=34x y=24x y=8x y=0 x 5y=54x 7y=22x 5y=-33x 5y=-24x 3y=99x 3y=82x 2y=-46x 3y=212x 2y=8x 4y=2 4x 3y=-93x 4y=-94x 5y=88x 2y=25x 3y=45x 2y=192x 4y=03x 3y=-23x y=54x 3y=92

3、x 2y=37x 3y=102x 5y=43x 5y=02x y=-48x 3y=82x y=-5x y=-242x 2y=44x 2y=42x y=59x 7y=04x 5y=05x y=-14x y=-43x 4y=6x 4y=06x 2y=5x2y=6x y=9x 4y=74x 2y=-25x 4y=38x 5y=23x 2y=87x 7y=-54x 2y=7x 5y=9 3x 2y=-73x 2y=42x 3y=82x 5y=-245x 3y=92x 4y=-42x 4y=-63x 9y=6x y=39x 9y=195x 2y=42x 5y=13x 4y=29x 6y=72x 2y=7

4、9x 4y=-303x 2y=64x 3y=24x y=-65x 5y=-93x y=-83x 4y=-162x y=75x 2y=63x 3y=35x y=65x 2y=48x 3y=25x4y=24x y=13x 3y=-82x 5y=34x 5y=-63x 6y=-10x y=-94x 2y=45x 4y=-85x y=-45x 2y=48x 8y=-182x 3y=-5x 5y=-5x 5y=25x 8y=-45x 5y=24xxy=-29y=07x 7y=64x 3y=32x 4y=-25x y=-69x 9y=16x2y=73x 4y=05x 5y=59x 9y=4x3y=-64x

5、 6y=122x 3y=92x 4y=1x 2y=-69x 4y=-63x y=-96x y=54x 3y=83x 3y=-65x 5y=48x 5y=-82x 2y=-67x 9y=18x 3y=3x4y=54x y=-9x 2y=8 2x 5y=-95x 7y=-22x 2y=-82x 5y=-63x 2y=-65x 4y=-4x3y=47x 6y=153x 4y=44x 3y=-9x 5y=47x 8y=-83x y=-83x 5y=-153x y=-92x 5y=-65x 4y=-52x 4y=-25x 3y=1x2y=-223x 3y=5x 3y=7x y=89x 9y=-65x 3

6、y=-97x y=115x 4y=-39x 3y=-72x y=64x 4y=-13x 4y=96x 6y=-33x 2y=-58x 2y=-45x y=83x 4y=72x 5y=58x 8y=133x 3y=-43x y=-14x 4y=-63x 8y=24x y=-96x 3y=-33x 5y=54x 2y=0x 2y=72x 4y=83x 4y=-7x 9y=1 3x 2y=3x 2y=-5x 2y=-56x 8y=-62x 2y=16x 5y=-42x y=79x 7y=64x 3y=-65x 6y=28x 4y=94x 5y=-62x 2y=02x 4y=-43x 4y=-54x

7、y=73x 4y=64x 3y=43x 5y=-12x y=85x 4y=-67x 3y=-2x2y=-79x y=-122x 3y=-82x y=84x 5y=-29x 9y=-25x y=-87x 6y=35x y=-9x y=-4 3x 5y=-48x 9y=-4x5y=-25x y=234x 4y=85x 4y=-5x 3y=2x2y=94x 4y=99x 5y=82x 3y=-2x 4y=24x y=39x 9y=-22x 3y=03x 6y=225x 2y=65x 5y=-55x y=-97x 6y=-64x 5y=-35x 4y=-4x 4y=12x 5y=-74x 4y=3x5

8、y=82x 3y=53x 6y=233x 5y=-35x 2y=-6x 3y=-72x 6y=15x y=99x 3y=-134x 4y=45x 2y=154x 2y=-24x 2y=14x 5y=-79x 7y=12x y=34x 8y=-32x y=72x 2y=-2x y=-15x 9y=-43x 2y=-32x 4y=45x 3y=-76x 4y=63x 5y=87x y=-114x 3y=-74x 5y=-14x 5y=09x 7y=4x4y=18x 3y=305x y=-54x 9y=32x 3y=93x 4y=-75x 5y=-5x y=235x y=66x 4y=-15x 2y

9、=14x 5y=-8x 2y=73x 6y=114x 5y=52x y=-87x 6y=-55x 5y=93x y=09x 6y=74x 4y=53x 5y=33x 3y=-39x 7y=45x 4y=43x 6y=12x2y=-1x 3y=-4x 2y=6x3y=-22x 3y=-12x 9y=-72x 3y=52x y=94x 3y=93x 8y=-83x 4y=-58x 2y=-15x y=05x 2y=-13x 5y=-49x 2y=-44x 5y=-57x 9y=-203x 3y=43x 3y=-12x 2y=-43x 7y=85x 3y=-17x y=72x 5y=45x 4y=9

10、2x 3y=-84x 7y=23x 3y=-1x y=7 x y=22x 7y=-1x5y=34x 7y=285x y=35x y=-72x 5y=-85x 3y=-35x 3y=62x 8y=-74x 5y=19x 6y=282x y=12x 5y=54x 2y=82x 4y=34x 3y=17x y=-295x 4y=-78x 5y=-74x 2y=0x 3y=-1x 4y=-5x 3y=265x 5y=52x 5y=45x 2y=16x 9y=-93x 5y=-94x 6y=12x y=24x 2y=32x 4y=6x 2y=-15x 5y=-18x 2y=125x 4y=54x 2y=5x 5y=79x 2y=-3x2y=54x 6y=-8x 5y=13x 5y=04x 3y=5x5y=-5x y=-85x y=25x 5y=75x 2y=4x 3y=96x 8y=64x 5y=43x 9y=-85x 5y=-12x 2y=42x 3y=87x 2y=-4x5y=76x y=8x2y=9x 2y=-84x 3y=-17x y=-85x 4y=-38x 8y=95x 2y=-58x 2y=45x 4y=63x 4y=-13x y=37x 5y=-305x 3y=-1x 5y=13x y=67x y=-64x 2y=68x 8y=-272x 5y=54