看懂了，上麵那根隻有一個點是確認的，另一點是假設在20133為頂點

來源: cnrhm2017 於 2024-12-11 21:31:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.