Ben Franklin and the Magic Squares [平裝] [5歲及以上] 下載 mobi epub pdf 電子書 2025

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內容簡介

A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." 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!

精彩書評

"In this lively offering from the Step into Reading + Math series, young readers will learn about both Benjamin Franklin and magic squares--square grids of numerals in which all the numbers in any vertical, horizontal, or diagonal row adds up to the same sum. The text introduces Franklin as a smart, curious kid whose ideas led him to "inventing cool things"; as a witty, intelligent man whose ideas were the seeds of America's first library, fire station, and hospital; and as a "super busy guy" who amused himself during meetings of the Pennsylvania Colonial Assembly by creating magic squares. An appended section offers step-by-step directions for those who want to construct their own versions of the mathematical puzzle. The engaging, informal style of the writing and the colorful, cartoonlike illustrations make this a playful but solid choice for introducing young readers to Franklin and to magic squares."
--Booklist
Ben Franklin and the Magic Squares [平裝] [5歲及以上] 下載 mobi epub pdf txt 電子書 格式

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作　　者/Author: Frank Murphy （弗蘭剋·墨菲） 著

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Squaress to be the a good one for the next rest

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　　多知識結構分級閱讀，是一種橫嚮分級閱讀。其本質就是在多年齡段分級閱讀中，對各類知識的讀物進行科學的、閤理的配比，給少年兒童讀者提供知識結構最好的分級閱讀。例如，在21世紀初，為瞭推動多知識結構閱讀，中國少年兒童齣版社針對中學生讀者推齣瞭由50位世界曆史名人所寫的50部名著集結而成的《“人之初”名著導讀叢書》，選取世界上最優秀的政治類讀物，如柏拉圖的《理想國》，馬剋思、恩格斯的《共産黨宣言》等；文化類讀物，如孔子的《論語》等；文學類讀物，如斯托夫人的《湯姆叔叔的小屋》、但丁的《神麯》等；科枝類讀物，如愛因斯坦的《相對論》等，精編成中學生能看得懂的導讀文本。這套名人名著導讀叢書，受到瞭中學生們的熱烈歡迎。

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拖瞭一個月，慢死瞭拖瞭一個月，慢死瞭

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定 價：￥29.30

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紙張不錯，印刷清晰，是我想要的，謝謝！

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裝訂非常一般，內容不錯，簡單有趣。

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商品編號：19016225

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