求解12X+10Y=3600 18X+10Y=6000

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求解12X+10Y=360018X+10Y=6000求解12X+10Y=360018X+10Y=6000求解12X+10Y=360018X+10Y=6000x=400Y=-120

求解12X+10Y=3600 18X+10Y=6000
求解12X+10Y=3600 18X+10Y=6000

求解12X+10Y=3600 18X+10Y=6000
x=400 Y=-120