Sunday, October 10, 2010

朋友定律??

A+B=好朋友
A+C=好朋友
B+C=朋友
A+B+C=好朋友
B+C=好朋友
A+B=朋友
A+C=朋友


A+D,E,F,G,H........ = 好朋友

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