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2001109010055017(1)207272x++=+−x=A1479−B7149−C791431+−D791431+232x=−65331121xxxx++++=A14324+B14324−C14332−D32143−3aoshoo.com33|8||4|xxx−−−−xA12x≥B12x≥3,6,7,8,9,10x=C3x≥4,5,11x≠D3x≥41AOB5A1A2A3A4A54B1B2B3B4AiBj15i≤≤14j≤≤AOBA5B4A4B3A100B90C66D605924A82B40C22D2163A24B30C36D407x⎣⎦xx⎡⎤xx⎣⎤x0.5xn≠+n328xxx⎣⎦+⎡⎤+⎣⎤=A11.5xB12xC11.5x12xD8xx0.5xn≠+n1+2+3++36=A131B146C161D66694ABCDABCDDACBOSAOB=4SAOC=9SABCD=A25B16.25C16D15.25104MSAOB=c2SAMB=a20caSABCD=A242224()acca+B22224acca+C242224()acca−D22224acca−55011aoshoo.com42424(41)(31)10xxxxx−++++=_____12232332234abcbcacab+−−+++==2332abcabc−+=+−_____132243414143xxxxxxxx+−−−++−−_____142/x−3/y=1/4_____1514_____165A+B+C+D+E=_____1772_____186AOB=45PPO=10QROPQR_____191002_____207ABCSBCA’BA’A’C=mm0CAB’CB’AB’=nn1ABC’AC’BC’=kk1SA’B’C’=_____