這題目真的不難，在國內學過幾何的基本都做得出來，加點輔助線就可以了

來源: 童遙於 2019-01-20 12:07:42 [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.

Change Ad Consent