北师大版八年级数学下册解二元一次方程组练习题精选 62.docx
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北师大版八年级数学下册解二元一次方程组练习题精选62
5a=8b-13x-9y=19
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6a=7b-65x=6y+8
5x+2y=1515m+5b=5
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3y-9x=151-2m+b=5
2a=5b+195x-3y=8
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a=4b+8x+6y=7
8x-4y=550.8x+0.5y=2.3
{{
6y-2x=550.5x+0.1y=0.5
6a=5b+122x-4y=13
{{
8a=8b+143x=2y+19
2x-6y=288m-b=10
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9y-3x=28-10m+4b=30
5a=5b+137x-7y=5
{{
3a=7b+86x-7y=2
9x-7y=300.9x-0.4y=2.2
{{
5y+7x=300.9x-0.7y=2.3
3a=7b+6x-9y=14
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a=6b-53x=2y-1
3x-y=2m+3b=25
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3y+7x=2-8m+8b=15
3a=9b-1x+8y=-6
{{
5a=7b-96x+2y=7
3x+9y=1820.6x-0.9y=2.9
{{
4y-x=1820.1x+0.8y=3.9
7a=5b+132x-2y=19
{{
3a=b+183x=7y-17
8x-7y=928m-3b=4
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9y+9x=92-1m+5b=24
3a=8b-1x+y=-3
{{
2a=3b-2x+5y=-10
9x+4y=1390.1x+0.9y=0.4
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8y+7x=1390.5x+0.6y=3.8
5a=2b-144x-9y=20
{{
a=5b-114x=3y-11
2x+2y=182m-2b=22
{{
2y-x=182-9m-2b=8
5a=9b+28x+2y=-7
{{
2a=3b-86x-2y=-9
5x-8y=20.5x-0.1y=2.8
{{
4y+3x=20.2x+0.3y=0.5
9a=7b-4x+2y=5
{{
8a=2b+142x=2y+7
4x-3y=502m-3b=14
{{
9y+9x=50-5m-2b=13
8a=9b-143x+7y=-1
{{
3a=9b-178x-9y=-3
6x+5y=1310.9x+0.2y=3.7
{{
5y+8x=1310.3x-0.2y=0.1
8a=5b-47x+8y=16
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6a=4b+5x=7y+11
x+5y=1396m+3b=27
{{
3y+6x=139-2m-8b=8
3a=5b+146x-4y=-2
{{
3a=8b+176x+y=1
x+5y=1110.4x-0.4y=0.8
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7y+9x=1110.8x-0.8y=3.3
3a=8b+125x-4y=9
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7a=b+29x=7y-4
x+2y=1533m-3b=25
{{
6y+2x=153-5m+9b=28
a=3b+58x+8y=8
{{
4a=b-159x-4y=5
8x+7y=690.5x-0.4y=0.2
{{
7y-5x=690.2x+0.7y=1.1
8a=7b+43x+5y=15
{{
a=9b+2x=3y-1
4x-2y=976m+8b=14
{{
2y+x=97-2m-6b=19
3a=9b+158x+7y=-10
{{
8a=6b-159x+5y=-8
4x-8y=1430.3x+0.4y=1.9
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9y-4x=1430.8x-0.5y=2.7