A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the andquot; magic square.andquot; A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal Teachers and kids will love finding out about this popular teaching tool that is still used in elementary schools today
具體描述
讀後感
評分
評分
評分
評分
評分
用戶評價
评分
评分
评分
评分
评分
相關圖書
本站所有內容均為互聯網搜索引擎提供的公開搜索信息，本站不存儲任何數據與內容，任何內容與數據均與本站無關，如有需要請聯繫相關搜索引擎包括但不限於百度，google,bing,sogou 等
© 2025 qciss.net All Rights Reserved. 小哈圖書下載中心 版权所有