二元一次方程组专项练习题114.docx
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二元一次方程组专项练习题114
6a=4b-23x-7y=3
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a=7b+5x=5y-19
4x-7y=733m+3b=7
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7y-7x=73-9m-6b=9
2a=5b-189x+9y=-1
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9a=5b-179x-3y=-4
7x+y=620.2x-0.4y=0.3
{{
6y+9x=620.3x-0.3y=0.1
5a=5b-183x+3y=15
{{
9a=9b+153x=8y-11
9x-y=39m-b=18
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5y-3x=39-6m-3b=8
2a=2b-4x+3y=5
{{
4a=6b-9x-8y=9
2x-3y=610.5x-0.7y=0.3
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8y+5x=610.1x-0.6y=2.4
4a=b+194x-7y=20
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2a=5b+5x=8y-20
x+4y=48m-b=1
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4y-7x=4-7m+3b=23
4a=3b-86x-8y=-2
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7a=3b-77x-3y=8
8x-4y=1800.7x+0.4y=3
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4y+x=1800.8x+0.1y=1.1
5a=5b+107x+6y=8
{{
7a=7b-207x=2y-4
x-9y=1577m+2b=1
{{
9y+x=157-3m-4b=14
3a=2b+196x+5y=-5
{{
2a=8b+108x+2y=10
6x+9y=1670.9x-0.5y=0.3
{{
8y-3x=1670.1x-0.5y=1.8
6a=3b+62x+8y=2
{{
6a=5b+179x=y+3
3x+5y=1756m+8b=19
{{
4y-9x=175-6m+6b=26
3a=b+65x-6y=-4
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9a=3b-149x-2y=-5
4x+8y=1840.5x+0.8y=0.3
{{
2y+8x=1840.6x-0.5y=3.9
6a=5b-122x+2y=7
{{
8a=5b-186x=3y-20
9x-5y=645m+2b=18
{{
3y-9x=64-5m+5b=29
5a=7b+106x-9y=1
{{
4a=3b+42x+9y=2
7x+4y=1610.4x+0.9y=1.4
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7y-6x=1610.6x+0.2y=3.9
4a=9b-149x-7y=16
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7a=5b+28x=5y+20
8x-y=865m-3b=10
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2y+8x=86-1m+8b=11
3a=4b+125x-5y=-6
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a=b-178x-2y=7
5x-y=590.6x-0.4y=3.7
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7y-2x=590.1x+0.2y=1.7
5a=3b+169x-7y=20
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4a=7b+124x=2y+13
x-6y=1023m-5b=6
{{
3y-6x=102-6m+9b=19
7a=7b-19x+7y=2
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6a=3b-107x-y=1
2x+5y=-80.1x+0.3y=1.3
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7y-8x=-80.2x+0.9y=1.2
8a=6b+42x-9y=7
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2a=3b+38x=2y-4
9x+4y=1848m-9b=6
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9y-9x=184-8m-9b=20
8a=2b+92x-3y=1
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9a=3b+117x+4y=-8
5x+4y=480.5x-0.6y=3.4
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2y+7x=480.5x+0.8y=3.4
9a=6b+137x+3y=10
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a=5b+146x=5y-16
4x-9y=902m-5b=13
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4y-5x=90-7m+6b=18
2a=8b+106x-9y=-2
{{
7a=6b+125x-8y=-2
9x+7y=120.9x+0.1y=1.7
{{
2y-9x=120.8x+0.6y=0.6
6a=6b+124x+3y=19
{{
8a=2b-62x=4y-17
7x+2y=114m-5b=18
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7y-9x=114-10m-b=26
7a=2b+24x+3y=5
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5a=6b-15x-6y=8
5x+2y=-20.2x+0.6y=1.4
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8y+5x=-20.1x-0.6y=1.1
9a=8b+145x+5y=14
{{
6a=8b-4x=2y-7
8x+8y=1526m-2b=19
{{
6y+7x=152-8m+5b=24
7a=9b+199x+8y=1
{{
3a=5b-66x-7y=-2
9x+8y=320.4x-0.3y=0.7
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9y+3x=320.8x-0.2y=3.5
4a=3b+182x-4y=11
{{
4a=9b+126x=3y-3
2x+3y=328m+7b=23
{{
6y+x=32-7m-8b=19
6a=6b+124x+7y=1
{{
5a=2b+209x+2y=9
7x-4y=1270.1x+0.8y=1.4
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4y+6x=1270.4x-0.3y=0.4
6a=2b-19x+9y=4
{{
9a=6b+207x=9y-4
x-8y=724m-7b=6
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5y-8x=72-1m-2b=2
5a=2b-204x+6y=0
{{
2a=6b+69x-7y=1
6x+4y=570.2x+0.8y=0.7
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5y-9x=570.1x-0.2y=1.2
9a=6b+198x-6y=5
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6a=5b+6x=4y-12
9x+2y=89m+9b=19
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y-2x=8-9m-4b=26
2a=b+154x-8y=-9
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8a=b-155x-7y=-5
7x-8y=250.5x+0.6y=1.6
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5y-9x=250.6x-0.9y=3.7