二元一次方程组专项练习题105.docx
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二元一次方程组专项练习题105
3a=6b-103x+3y=8
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a=b-14x=7y+10
x+9y=1498m-7b=1
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4y+6x=149-2m-3b=1
5a=4b+69x-6y=0
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a=9b+117x+5y=-2
5x+4y=1590.7x+0.9y=1.8
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y+5x=1590.2x+0.4y=0.4
6a=6b+6x+5y=1
{{
7a=2b-58x=y-3
3x+5y=772m+7b=26
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7y+2x=77-10m+8b=12
9a=7b+185x+5y=2
{{
6a=5b-116x+y=-3
8x-8y=1570.4x-0.4y=1.5
{{
9y-3x=1570.7x+0.8y=3.8
6a=5b+17x+4y=20
{{
8a=4b-74x=y+10
7x+7y=2m-2b=19
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7y+8x=2-2m-2b=21
8a=8b-7x+5y=7
{{
2a=9b+135x-5y=7
4x-2y=1340.7x-0.2y=0.5
{{
y+8x=1340.2x+0.2y=1.7
9a=3b+128x-y=9
{{
5a=6b-162x=2y+6
8x-9y=66m+4b=14
{{
9y-3x=66-2m+6b=11
8a=9b-45x-8y=8
{{
a=2b-82x+5y=3
3x+7y=400.5x-0.1y=1.9
{{
4y+5x=400.7x+0.5y=3.3
2a=6b-127x+8y=2
{{
2a=4b-117x=6y+9
6x-8y=1898m+2b=10
{{
2y+x=189-8m-3b=21
2a=2b+6x-y=10
{{
9a=2b-165x+7y=0
6x-5y=1710.6x+0.8y=1.2
{{
y+9x=1710.3x+0.5y=1.4
a=9b-153x-5y=7
{{
7a=b-204x=7y+14
x+4y=749m+8b=8
{{
5y-2x=74-7m+8b=29
6a=3b+106x+6y=2
{{
7a=4b-65x+2y=-8
6x-4y=1360.3x+0.1y=2.1
{{
9y+8x=1360.8x-0.4y=3.4
2a=3b+53x-3y=12
{{
8a=4b+175x=3y+17
9x-9y=1452m-5b=3
{{
2y+8x=145-5m+6b=10
7a=2b-123x+8y=-2
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9a=5b-2x-7y=6
3x+y=670.4x-0.2y=2.7
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6y+3x=670.2x-0.6y=3.1
8a=5b+14x-8y=1
{{
8a=4b+88x=8y-4
5x-7y=1525m+8b=29
{{
y+x=152-6m-2b=22
3a=4b+146x-6y=2
{{
5a=5b+13x-4y=-8
7x+4y=1640.9x+0.1y=0.5
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7y-3x=1640.7x+0.2y=3.2
6a=3b-18x+2y=5
{{
a=7b-25x=5y-2
3x+7y=267m-7b=0
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6y-3x=26-9m+8b=11
3a=3b-125x+6y=2
{{
7a=6b+66x+5y=7
9x+9y=1100.9x-0.2y=2.6
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y-5x=1100.9x+0.2y=2.7
6a=5b+158x+8y=4
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a=9b+96x=5y-20
8x+3y=-27m-9b=25
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6y+8x=-2-8m+4b=17
a=3b+137x+9y=-7
{{
4a=5b+20x+4y=4
8x+y=1400.4x+0.3y=1.7
{{
3y-x=1400.7x-0.9y=0.5
7a=b+98x+6y=15
{{
4a=4b+134x=3y-3
9x+8y=1745m-5b=12
{{
7y-6x=174-4m-8b=24
6a=8b+94x+8y=-5
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5a=b-88x+5y=-1
4x+4y=1370.2x+0.5y=1.3
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6y+8x=1370.1x-0.9y=3.4
8a=6b-75x-9y=13
{{
a=b+88x=2y-18
9x+8y=343m-4b=4
{{
7y-6x=34-8m+7b=25
9a=9b+99x+8y=-7
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7a=9b+68x-7y=9
6x-3y=80.7x+0.2y=0.1
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5y+5x=80.1x+0.2y=0.1
6a=5b-52x-4y=13
{{
a=8b+116x=8y-7
7x+7y=1988m+3b=28
{{
6y+2x=198-2m+4b=2
3a=3b+148x+8y=-1
{{
7a=3b+122x-8y=1
3x+5y=840.1x-0.2y=1.8
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5y+6x=840.5x+0.5y=1.7
7a=6b+65x-6y=13
{{
2a=2b-155x=5y-12
6x-7y=88m+3b=13
{{
7y-5x=8-5m-7b=11
4a=8b+144x-5y=8
{{
7a=4b+206x+8y=-8
3x+5y=230.1x-0.8y=2
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2y-6x=230.4x+0.7y=0.4
a=9b+55x-5y=9
{{
7a=9b+158x=3y-4
8x-6y=1546m+5b=21
{{
9y+6x=154-10m-7b=14
4a=2b+17x-y=9
{{
7a=4b-103x-8y=-7
2x+6y=590.7x+0.6y=3.5
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6y+7x=590.4x-0.7y=2.4