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适读人群 ：4岁及以上
Once again the author of the popular MathStart series explains a math concept in a simple, exuberant story with bright, clear pictures.

内容简介

It's hard work, taking care of 5 little ducks. But when each little duck comes home with a friend -- oh, no! Now it's double the ducks and double the work. How can 1 little boy get everything done?

Understanding how to double numbers helps children master both addition and multiplication. Fun, friendship, and lots of ducks make learning this essential skill both easy and entertaining.

作者简介

Stuart J. Murphy is a visual learning specialist. A graduate of the Rhode Island School of Design, he has a strong background in design and art direction. He also has extensive experience in the world of educational publishing. Drawing on all these talents, Stuart J. Murphy brings a unique perspective to the MathStart series. In MathStart books, pictures do more than tell stories; they teach math.

Stuart J. Murphy and his wife, Nancy, live in Boston.

前言/序言

Double the Ducks[双倍的小鸭子] [平装] [4岁及以上] 电子书 下载 mobi epub pdf txt

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很好的原版书，适合英语启蒙和数学启蒙！

评分☆☆☆☆☆

关于数的数学启蒙，非常精美有趣，语言简单，一定要收齐整套。

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去年200-100时试探性买了两本，尽管现在出了中译本“数学启蒙”，还是趁活动全收了。

评分☆☆☆☆☆

去年200-100时试探性买了两本，尽管现在出了中译本“数学启蒙”，还是趁活动全收了。

评分☆☆☆☆☆

不错不错不错不错不错不错

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彻底被这个系列的书搞晕了，到底是多少本啊，不过感觉比中文版好

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京东做活动时买的，价格合适，应该是正版的，孩子很喜欢

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凭质保证书及京东商城发票，可享受全国联保服务（奢侈品、钟表除外；奢侈品、钟表由京东联系保修，享受法定三包售后服务），与您亲临商场选购的商品享受相同的质量保证。京东商城还为您提供具有竞争力的商品价格和运费政策，请您放心购买！

评分☆☆☆☆☆

非常好的一套书，就快收集齐了。活动满减加用券非常划算。

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