close
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 
Looking for something light while keeping you safe and comfortable during extended waterside activities?

Shop New Drainmaker Shoe for Men, Women and Kids at Columbia!
From our sponsors
國一數學 質數
Oct 27th 2013, 16:41

[unable to retrieve full-text content]

解： 900 ＝ 2 × 2 × 3 × 3 × 5 × 5 質因數為 2 、 3 、 5 不大於 900 ，與 900 互質的數有 900 × (1-1/2) × (1 － 1/3) × (1 － 1/5) ＝ 900 × (1/2) × (2/3) × (4/5) ＝ 900 × (4/15) ＝ 240 個...
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

    jmuko99 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄