人教版七年级数学下册二元一次方程组练习题252Word格式文档下载.docx
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4x+3y=4x+3y=0x+6y=20
x+5y=-23x+2y=-92x-3y=-7
x-y=56x-y=-29x-6y=12
2x-3y=-52x+5y=-93x+4y=-7
x-5y=-62x-y=-3x-5y=-8
2x+5y=-8x+5y=-65x-5y=-2
4x-3y=69x-5y=68x-5y=3
4x-4y=-2x-y=63x-3y=-2
x-y=36x+3y=55x-y=-9
5x-y=-34x-2y=55x+4y=7
2x-3y=-76x-7y=79x-3y=25
3x-4y=-9x-4y=12x-y=-4
x-2y=-94x-y=09x-9y=23
2x-3y=93x+4y=02x+y=7
5x-2y=-66x-8y=-28x-5y=-10
5x-5y=42x-4y=-55x+5y=6
5x-2y=56x-8y=95x+5y=-16
5x-y=44x-3y=83x-2y=6
x+4y=03x+2y=17x-y=-20
x+2y=-53x-5y=-52x+3y=8
x-3y=-53x+9y=-94x+7y=9
3x+2y=44x+3y=32x+4y=0
4x+5y=-98x-4y=-93x+8y=0
x-y=35x+2y=-62x-5y=7
x-3y=48x+3y=-99x+8y=-6
3x-5y=43x-4y=44x-y=8
x-3y=97x+y=27x+y=-17
2x+5y=44x+4y=4x-4y=7
3x-3y=42x-2y=03x-y=26
2x-y=02x+5y=-25x-y=5
2x-2y=78x-5y=-26x+3y=-27
5x+5y=-9x-y=33x+4y=4
2x-2y=43x+2y=-89x+3y=19
5x-5y=-95x-3y=55x-5y=-8
2x-y=-26x-y=-22x+7y=24
4x+4y=54x-3y=-64x-3y=-7
4x-y=66x+8y=-98x-9y=-13
4x+4y=35x-3y=8x+2y=-5
2x+5y=-4x+5y=49x+y=28
x-y=-44x+5y=-2x+3y=-7
4x-5y=65x-7y=29x-8y=-21
4x-4y=-74x+4y=5x-3y=-9
3x-3y=3x-8y=48x-5y=25
x-y=4x-y=85x-3y=-9
x+5y=-42x-y=25x+2y=-12
x+y=-42x-4y=24x-2y=3
5x-y=52x-y=-14x+6y=28
4x+5y=-24x-2y=84x-y=-1
2x-5y=-13x-y=-93x+4y=23
2x-3y=34x-3y=72x+4y=6
x+5y=94x-9y=-16x+2y=-22
2x+3y=1x-3y=1x+2y=1
x-y=3x-5y=05x+2y=10
4x+2y=-75x-3y=-9x+y=-2
2x+5y=83x+3y=8x+5y=-8
4x-y=-92x-3y=-6x+2y=2
5x+3y=-59x-y=27x+6y=-23
2x+2y=-35x+5y=62x-4y=4
4x+5y=24x+7y=-44x+4y=1
4x+y=-2x-4y=-4x-5y=-8
3x-5y=-52x-5y=92x-2y=27
2x+4y=92x+5y=-55x-4y=4
x+4y=08x-y=09x-9y=14
x+y=9x-2y=2x-5y=-6
5x-y=79x-5y=25x-9y=12
x-4y=0x+y=04x-3y=-1
5x-2y=-14x+6y=83x+3y=-11
2x+5y=7x-y=6x+y=7
4x-4y=16x-4y=-37x+7y=-27
4x+5y=-15x-2y=-54x-3y=4
4x+4y=-54x-5y=-27x+8y=25
x-3y=-22x-5y=-44x+5y=-9
2x-3y=85x+5y=72x-8y=-8
x+2y=63x-2y=-62x-3y=-3
2x-3y=-26x+9y=-83x+8y=8
3x-5y=-14x+y=94x+3y=-1
5x-y=-43x-6y=54x-4y=-15
3x+y=-23x+2y=35x-5y=-4
5x+2y=-83x+7y=-88x+6y=-27
4x-4y=95x-y=74x-4y=7
2x-y=-66x+4y=-92x+2y=-21
5x+3y=-25x-3y=-23x-4y=-8
3x-4y=34x-3y=-37x-8y=26
2x+5y=65x+4y=-5x+5y=4
5x-y=84x+4y=-24x-2y=29
5x+3y=13x+3y=8x+3y=-8
2x-4y=66x-2y=68x-5y=-3
3x-4y=93x+y=85x+2y=0
x+4y=-14x+6y=85x+8y=-21
2x-4y=15x+y=7x-2y=3
4x-2y=-14x+3y=-15x-9y=1
2x+4y=74x-2y=62x+2y=-2
5x+5y=-43x+4y=77x-5y=-20
2x+y=-63x-5y=14x+2y=7
3x+4y=-74x-4y=46x-3y=10
5x+5y=55x+3y=-94x-5y=-6
3x+3y=37x-8y=05x+2y=5
3x+4y=-35x-4y=-62x+2y=-3
4x+5y=64x+y=63x+4y=16
5x-3y=-72x+3y=-4x-y=-1
5x+5y=-28x-3y=-69x-7y=16
5x-2y=03x+2y=-44x-4y=3
5x+4y=-14x+7y=-69x-8y=9
x-3y=14x+4y=-54x-2y=4
5x+2y=-59x+9y=92x-5y=-16
2x-5y=53x+5y=-62x+y=9
5x-4y=16x+5y=-29x-5y=-4
x+3y=44x+5y=-13x-4y=9
5x-2y=33x+4y=-58x-5y=30
2x+2y=-64x+4y=24x-3y=5
4x+4y=39x-9y=-48x-3y=-9
x-5y=04x-y=-23x+y=7
4x-3y=8x-y=44x-9y=27
2x-2y=6x-2y=-15x-2y=-5
2x-3y=-64x+5y=-66x+2y=24
2x-4y=32x-y=33x+3y=-3
2x-5y=-54x+5y=-16x-