朋友偶然看到一個數學問題 傳Line過來求解 已知a,b 屬於集合Q ,試證(a+b)/ 2大於等於√ab 讀社會組的小弟完全沒輒 懇請大家幫個小忙囉 -- Sent from my Android -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 111.248.13.193※ 文章網址: http://www.ptt.cc/bbs/ask/M.1413453798.A.312.html※ 編輯: jamcosta (111.248.13.193), 10/16/2014 18:04:23
推a159753: 算幾不等式10/16 18:05
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