Ben Franklin and the Magic Squares [平裝] [5歲及以上] 下載 mobi epub pdf 電子書 2024

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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

評分☆☆☆☆☆

齣 版 社/Publisher: Random House

評分☆☆☆☆☆

6月份下單，四個月後纔收到，這還是拆單收到一部分，剩下得也不想取消，萬一取消瞭再把我拉黑……

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紙張不錯，印刷清晰，是我想要的，謝謝！

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一、看動畫

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齣版時間/Publication Date: 2001-02-27

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齣 版 社/Publisher: Random House

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精彩的圖畫,介紹瞭人體骨骼

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作　　者/Author

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不錯的書，開捲有益。

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