耞71113计
7⊙11⊙13=10011001琌7计
(103)2=(1001-1)2=10012-2⊙1001⊙1+12106埃7緇计琌1┮106-1琌7计
崩約(103)2n-1琌7计ㄤいn琌礛计ㄒ106-11012-11018-11024-1单常琌7计
(103)3=(1001-1)3=10013-3⊙10012⊙1+3⊙1001⊙12-13109埃7緇计琌6┮109+1琌7计
崩約(103)2n+1+1琌7计ㄤいn琌獶璽俱计ㄒ103+1109+11015+11021+1单常琌7计
せ计987654计9876543计9876543210ㄒだㄤ琌琌7计?
987654=987⊙(1001-1)+876=987⊙1001-987+6541001琌7计┮浪琩(-987+654)琌琌7计碞987654琌琌7计(-987+654)ぃ琌7计┮987654ぃ琌7计
9876543=9⊙106+876⊙1000+543=9⊙(106-1)+9+876⊙1001-876+543
106-11001常琌7计┮浪琩(9-876+543)琌琌7计碞9876543琌琌7计
9-876+543=-324ぃ琌7计┮987654ぃ琌7计
9876543210=9⊙109+876⊙106+543⊙103+210=
9⊙(109+1-1)+876⊙(106-1+1)+543⊙(103+1-1)+210=
9⊙(109+1)-9+876⊙(106-1)+876+543⊙(103+1)-543+210109+1106-1103+1常琌7计┮浪琩(-9+876-543+210)琌琌7计碞9876543210琌琌7计
-9+876-543+210=534ぃ琌7计┮9876543210ぃ琌7计
耞琌1113计ㄤよ猭瓃
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