2008x+1998y=4800 (1)1998x+2008y=3200 (2)(1)-(2)10x-10y=1600x-y=160 (3)(1)+(2)4006x+4006y=8000x+y=4000/2003 (4)(3)+(4)2x=36048/2003x=18024/2003y=x-160=-302456/2003
解方程组:{2008x+1998y=4800 1998x+2008y=3200}
2个回答
相关问题
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