Blogtrottr
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
Kindle Book Deals

We find the best deals on best-selling Kindle books for you. Just tell us which genres you love and we'll do the rest. The best part? It's completely free!
From our sponsors
國二數學,請詳解,急急急
Jan 12th 2014, 13:20

[unable to retrieve full-text content]

B在線AC上，線BC＝2，設AB = x，所以AC = x+2 線AB：線BC＝線BC：線AC == x : 2 = 2 : (x+2) == x^2 + 2x - 4 = 0 == x = -1 + √5 或 -1 - √5 (負值，捨去) 所以，線BC：線AB的比值是 2 / (-1 + √5) = (1 + √5) / 2...
You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions
arrow
arrow
    全站熱搜
    創作者介紹
    創作者 jmuko99 的頭像
    jmuko99

    2016韓劇推薦好看的 , 學校2015 韓劇 線上看 , 2015韓劇排行榜前十名2016韓劇排行榜前十名 , 好看的韓劇推薦 , 2016韓劇收視率 , 韓劇推薦 , 2017好看的韓劇推薦 ,

    jmuko99 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄