å 为ååæ¯ä¸ä½æ°,åæ¯æ¯ä¸¤ä½æ°,è¦ä½¿ä¸ä¸ªè¿æ ·çåæ°å为1,åç»æåæ¯çæ°ååºç¨1~9éçå°æ°å,èåæ¯åè¦ç¨å¤§ç¹çæ°å!
1=3/4+1/4
=9/12+ 17/68 1~9éè¿æ3ã4ã5ã6ã7ã8没æç¨,åæ们æ³åæ³æ1/4æ¢æ
= 9/12+/4 + 10/68 + 7/68 ç¨3ã4ã5ã6ã7ã8ç»æçåæ°5/34+7/68
= 9/12 + 5/34+7/68
æ以è¿ä¸ªåæ°åºä¸º: 9/12 + 5/34+7/68= 1
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