初中数学解二元一次方程组专项练习题 73Word文件下载.docx
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6a=9b+152x+9y=-3
9a=b+8x-9y=-8
5x-3y=1780.8x+0.3y=3.7
3y-2x=1780.1x+0.9y=3.2
8a=7b+33x+4y=1
5a=3b-72x=5y+16
x+9y=1804m-6b=12
8y+7x=180-8m-b=21
8a=4b+99x-y=-9
a=2b+12x+5y=8
5x+2y=90.6x+0.3y=1.5
6y+7x=90.5x-0.6y=0.8
7a=7b+52x+5y=19
4a=6b+64x=5y-4
5x+4y=788m-2b=6
9y+6x=78-8m-6b=13
5a=3b-192x-2y=3
7a=7b-135x-2y=1
7x+3y=90.3x+0.2y=3.1
5y+9x=90.2x-0.1y=0.7
a=3b+119x-4y=7
a=9b-28x=2y+12
2x+9y=226m+9b=18
8y-2x=22-10m-6b=21
6a=8b+169x-2y=-6
6a=6b+20x+2y=-3
7x-5y=870.9x-0.3y=0.6
4y-9x=870.8x+0.5y=3.1
3a=4b-86x-7y=9
8a=7b+98x=3y-16
2x-8y=1435m+3b=22
6y+4x=143-5m-5b=4
3a=4b-169x-4y=-9
4a=7b+195x+6y=6
8x+y=1320.8x-0.5y=3.2
3y+6x=1320.1x+0.4y=0.4
2a=8b+165x+y=1
8a=6b+124x=5y+6
6x-y=1572m-8b=23
8y+8x=157-8m-7b=15
3a=3b+105x-y=10
6a=4b-198x+8y=10
5x-5y=1900.2x-0.1y=0.8
8y-9x=1900.7x+0.5y=3.7
9a=6b-64x-y=1
9a=8b+204x=4y-18
8x+7y=2007m-6b=17
9y-4x=200-4m-3b=28
3a=b-44x-y=-2
5a=6b+102x+4y=-3
6x+2y=450.7x+0.4y=0.2
7y-3x=450.7x-0.3y=1.6
4a=8b-106x+6y=19
3a=4b+116x=3y+12
5x+3y=1588m+6b=15
5y-3x=158-7m-8b=25
5a=8b-4x-3y=4
3a=3b+192x-9y=9
8x-4y=1970.6x-0.2y=2.5
9y+4x=1970.1x-0.6y=3.3
4a=b+12x-5y=17
3a=5b+139x=8y-9
3x+6y=669m+7b=11
2y+5x=66-4m+b=10
8a=3b+47x+6y=10
2a=4b-165x+3y=-4
9x+y=1950.9x-0.3y=1.2
4y+5x=1950.2x-0.3y=1.8