I need some math puzzles to sharpen my math skills.

來源: sportwoman 於 2012-05-09 05:01:04 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (97 bytes)
本文內容已被 [ sportwoman ] 在 2012-05-10 17:52:06 編輯過。如有問題，請報告版主或論壇管理刪除.

My brain needs to be teased, and welcome to tease me as well! :))

請您先登陸，再發跟帖！