老兄，怎麽這麼多線性代數／矩陣／向量啊 = =
早知道我就該修了。不過感覺好像看 3b1b 有點幫助。
還有，字真的好多，我感受到素養……。
喔那個，裡面答案如果有誤，可以告訴我。
以下共有六大題，分作十五小題。每小題答對得 4 分，答錯倒扣 1 分。// 註：滿分應是 60 分。
$O$ 是一大圓的圓心，而該圓內切四個小圓如圖： O'abcO
求 a + b + c （可善用圖中輔助三角形）
(A) 11 (B) 11.5 (C) 12 (D) 12.5 (E) 13
XiaoPanPanKevinPan changed 3 months agoView mode Like BookmarkAre you sure to leave this team?
Once you delete your team, all team notes will be deleted and cannot be recovered. Please ensure you've exported or transfered these notes.
Enter team name before deleting it:
or
By clicking below, you agree to our terms of service.
Sign in with Wallet
New to HackMD? Sign up
