二元一次方程组专项练习题47Word格式文档下载.docx
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5a=2b+167x=3y-16
4x+9y=1948m-4b=27
y-2x=194-1m+4b=1
9a=6b-37x+8y=2
a=7b-116x+9y=7
4x-4y=800.5x+0.5y=2
y-9x=800.2x-0.8y=3.3
2a=4b+196x+8y=3
5a=3b-144x=9y-8
5x+7y=1459m-5b=4
3y-6x=145-4m-7b=19
8a=5b+194x+3y=-7
a=4b+203x-9y=0
x-7y=1400.5x-0.4y=0.2
6y+2x=1400.7x+0.5y=3.2
4a=4b-78x-y=17
4a=4b-153x=5y-1
x-6y=219m-2b=15
3y+7x=21-1m+9b=23
2a=9b+28x+7y=-6
7a=b-139x+7y=-1
6x-5y=760.9x-0.6y=4
2y-6x=760.8x+0.1y=0.9
9a=b-97x+2y=7
3a=8b+14x=4y-2
8x-y=258m+2b=19
7y+8x=25-3m+5b=21
3a=2b+69x+3y=-5
9a=b+16x-y=-10
5x-7y=910.5x+0.1y=0.2
2y+5x=910.7x+0.7y=1.2
a=9b-167x-8y=14
9a=8b-96x=5y-2
6x+3y=833m-7b=6
3y-6x=83-9m+8b=6
9a=6b+52x+7y=1
4a=6b-185x+8y=6
x-7y=-50.1x-0.1y=1.3
2y-9x=-50.6x+0.6y=1.6
6a=8b+104x+6y=18
a=8b-124x=3y-5
x+7y=66m+6b=8
y+6x=6-9m+9b=14
a=3b+77x+6y=2
6a=4b+25x-9y=-6
5x-9y=870.6x+0.6y=1.8
6y+2x=870.8x+0.4y=2.3
7a=8b-142x-4y=14
4a=9b-132x=5y-9
3x+9y=1998m+4b=14
y+9x=199-10m-9b=4
6a=8b-177x+9y=0
9a=8b+55x+2y=-7
2x-4y=1780.2x-0.2y=3
6y-4x=1780.5x-0.3y=2
4a=b+77x+4y=7
2a=6b-173x=9y-16
6x-7y=1509m-3b=7
7y+6x=150-9m+8b=2
6a=4b-154x-5y=8
4a=b+15x-6y=-8
4x+2y=1780.4x-0.1y=0.7
9y-x=1780.9x-0.1y=1.7
8a=3b-63x+9y=2
5a=2b+135x=9y-6
9x-9y=1753m+9b=22
4y-3x=175-10m+6b=14
7a=b-207x+6y=-7
4a=6b-124x+8y=0
3x+8y=1240.2x-0.9y=3.6
4y+7x=1240.2x+0.9y=3.9
3a=2b+43x-3y=14
4a=b-44x=3y+5
6x+3y=15m+b=11
4y+5x=1-4m+5b=3
5a=7b+192x-7y=-10
2a=6b+13x-6y=-10
9x-4y=830.2x+0.5y=3.6
8y+7x=830.6x+0.4y=0.9
3a=7b+13x-5y=9
4a=4b-188x=y+15
9x-4y=404m+5b=24
4y-3x=40-8m+3b=7
7a=5b+39x-6y=7
3a=9b-16x+4y=-4
6x-7y=250.4x+0.2y=3.1
5y-4x=250.2x-0.2y=0.1
2a=2b-54x-9y=13
3a=6b+69x=8y+18
8x-9y=1403m+4b=17
6y+8x=140-1m+8b=14
3a=8b+18x+6y=5
6a=8b+68x-2y=-6
9x-3y=520.9x+0.3y=0.8
9y+8x=520.4x-0.2y=3.4
a=6b+87x-8y=4
8a=4b-98x=3y-19
6x-5y=1764m-5b=26
5y+2x=176-6m-b=5
9a=5b+198x-6y=-2
8a=b-67x+8y=7
3x+8y=1990.8x-0.3y=2.9
4y-5x=1990.4x+0.3y=1.2
2a=5b-94x-y=12
2a=9b-197x=6y-5
x-2y=69m+7b=16
3y-x=69-9m+4b=19
3a=2b+49x+y=-6
3a=3b+207x+y=-10
5x-7y=1980.2x+0.7y=1.3
6y+7x=1980.8x+0.9y=3.7