二元一次方程组专项练习题53.docx
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二元一次方程组专项练习题53
a=b-126x+5y=4
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7a=7b+167x=2y-5
5x-9y=763m-6b=14
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9y+8x=76-1m-5b=24
5a=5b+78x-7y=5
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8a=4b+45x+y=-2
x-7y=450.7x-0.5y=2.5
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3y-3x=450.9x-0.5y=1
3a=b-14x+7y=6
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7a=6b+38x=y+7
6x+2y=1429m-b=2
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7y-7x=142-4m+5b=28
9a=4b-94x+2y=5
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a=7b-159x-5y=-2
3x+8y=930.9x-0.6y=3
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8y-x=930.1x+0.2y=0.3
3a=b+86x+2y=13
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4a=3b+28x=y+14
7x-2y=465m-5b=20
{{
6y+7x=46-9m-8b=25
4a=7b+162x-8y=0
{{
7a=b-18x+9y=0
5x-y=1400.5x-0.2y=2.4
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4y-x=1400.2x-0.2y=1.6
5a=b+205x-2y=6
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6a=2b+47x=2y-2
7x-8y=775m+7b=20
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7y-9x=77-1m-5b=29
9a=2b-115x-3y=-1
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8a=7b-113x+8y=1
7x-3y=1320.1x+0.8y=0.5
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9y+7x=1320.9x-0.8y=0.3
3a=3b-72x-6y=1
{{
3a=8b-29x=5y-6
7x+9y=707m+2b=2
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6y-5x=70-1m-b=30
4a=5b-192x-5y=-10
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7a=2b-9x-9y=9
3x-7y=300.5x+0.3y=3.4
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9y+4x=300.8x-0.2y=0.8
2a=7b-112x+5y=3
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3a=3b-192x=9y-13
7x+4y=697m-8b=22
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6y-3x=69-4m+2b=20
9a=3b-164x+2y=9
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a=5b-94x+8y=9
3x-4y=670.8x-0.9y=1.1
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9y+2x=670.7x+0.4y=1.8
2a=b-177x-7y=19
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4a=7b-199x=7y-15
8x-3y=968m+9b=10
{{
5y-2x=96-8m-2b=16
6a=9b-106x-7y=2
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3a=b-179x-9y=-3
x+6y=1280.9x-0.7y=3.2
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9y-6x=1280.3x+0.2y=1
4a=9b+45x+6y=13
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4a=3b-194x=3y-13
5x+3y=657m+2b=16
{{
6y+3x=65-10m-4b=17
7a=5b+136x+8y=10
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2a=5b-78x+2y=2
7x+y=120.9x+0.2y=1.1
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9y+3x=120.4x+0.2y=0.4
7a=6b-45x-3y=15
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6a=4b+166x=2y-16
9x+8y=632m-6b=23
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4y+2x=63-2m+3b=20
2a=3b+192x+3y=9
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a=b-143x-7y=5
5x-8y=1440.2x+0.3y=0.7
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8y-8x=1440.4x-0.6y=3.6
9a=8b-17x+y=15
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7a=2b+204x=7y+19
x-8y=946m+9b=2
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3y+5x=94-8m+6b=12
9a=3b+169x-9y=-10
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4a=6b+178x-y=1
7x+9y=600.7x-0.3y=3.1
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3y+4x=600.4x-0.9y=1.3
5a=8b+202x-7y=1
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6a=8b-49x=9y+7
x-3y=1608m+8b=11
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5y+3x=160-1m-9b=27
5a=7b-187x-y=-10
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6a=2b-144x+5y=-4
3x-8y=1550.7x-0.8y=2.4
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9y+3x=1550.8x-0.4y=0.2
9a=3b+46x-6y=3
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3a=2b-24x=4y-15
7x-4y=753m+9b=5
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3y-9x=75-8m+7b=9
2a=9b+37x-7y=-8
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8a=5b-43x+y=-3
4x+6y=670.6x+0.7y=2.6
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3y-x=670.1x-0.1y=0.1
7a=3b+193x+6y=14
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a=b+13x=y-19
8x-3y=628m+8b=22
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3y-x=62-3m+b=1
6a=7b-188x-2y=4
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7a=3b-192x+6y=0
7x-2y=1150.6x-0.8y=2.2
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4y+9x=1150.1x-0.1y=1
5a=3b+6x-6y=5
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5a=4b-18x=7y-6
8x+8y=353m-b=14
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y-6x=35-10m+8b=8
3a=3b-72x+3y=6
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7a=8b+28x+7y=5
9x-5y=280.8x+0.8y=2.3
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2y-5x=280.7x-0.3y=0.8
3a=9b+102x+4y=9
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8a=4b+162x=6y+6
7x-4y=487m+3b=29
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2y+9x=48-9m+3b=3
3a=4b-126x-3y=2
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a=2b+64x-3y=5
9x+3y=1790.7x-0.5y=1.9
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8y+x=1790.2x-0.2y=1.8