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

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

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

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

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ＩＳＢＮ: 9780375806216

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尺寸及重量/Dimensions & Weight: 12.19x0.51x21.84cm

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齣 版 社/Publisher: Random House

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作　　者/Author: Frank Murphy （弗蘭剋·墨菲） 著

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ＩＳＢＮ: 9780375806216

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不錯的分級閱讀，一係列都收瞭

評分☆☆☆☆☆

多讀書，可以讓你多增加一些課外知識。培根先生說過：“知識就是力量。”不錯，多讀書，增長瞭課外知識，可以讓你感到渾身充滿瞭一股力量。這種力量可以激勵著你不斷地前進，不斷地成長。從書中，你往往可以發現自己身上的不足之處，使你不斷地改正錯誤，擺正自己前進的方嚮。所以，書也是我們的良師益友。

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