ããè¿ä¼¼å¼æ¯12.6ç两ä½å°æ°ä¸ï¼æ大æ¯12.64ï¼æå°æ¯12.55
ãã12.64â12.6ï¼12.55â12.6
æ¬é¢èæ¥çæ¯å¯¹âåèäºå ¥æ³âçååºç¨ï¼
ããå¨åå°æ°è¿ä¼¼æ°çæ¶åï¼å¦æå°¾æ°çæé«ä½æ°åæ¯4æè æ¯4å°ï¼å°±æå°¾æ°å»æãå¦æå°¾æ°çæé«ä½æ°æ¯5æè æ¯5大ï¼å°±æå°¾æ°èå»å¹¶ä¸å¨å®çåä¸ä½è¿"1",è¿ç§åè¿ä¼¼æ°çæ¹æ³å«ååèäºå ¥æ³ã