å
ç®åº50个人çæ¥åä¸ç¸åçæ¦ç为ï¼
ï¼365/365)*(364/365)*...*(316/365) 约=0.03
åç¨1åå»ä¸é¢ææ±åºçæ¦çå³å¯
å³è³å°æ两个人çæ¥ç¸åçæ¦ç约为97%
åå¦æ¨å¥½ï¼å¦æé®é¢å·²è§£å³ï¼è®°å¾é纳å¦~~~æ¨çé纳æ¯å¯¹æçè¯å®~
亲ï¼æ°ç1å¹´å¼å§ï¼ç¥å¥½äºæ¥2è¿3ï¼å¿æ
4å£å¦æ¥ï¼çæ´»5é¢6è²ï¼7彩缤纷ï¼å¶å°8ç¹å°è´¢ï¼ç¦æ¼æå°9éäºå¤!
æ¨å¥½ï¼æçé®é¢æ¯âæ°æâ两个人çæ¥ç¸åçæ¦çï¼èä¸æ¯âè³å°â两个人çæ¥ç¸åçæ¦çã