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部落格全站分類：運動體育

Jun 26 Wed 2013 16:43
梯形面積國中:

Blogtrottr

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梯形面積國中

Jun 24th 2013, 12:38

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請問如果有一個梯形ABCD AB邊為 9 BC邊為12 CD邊為 6 AD邊為3 如下圖 http://f12.wretch.yimg.com/chun58966/4/1793176714.jpg?p0L_VfXmzrYEFNCWRn4g6OARJr6Id5Roab1697NG8Olkaw-- 請問面積怎麼算...

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