Counting Up, Counting Down pdf epub mobi txt 电子书下载 2026

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出版者:Ballantine Books

作者:Turtledove, Harry

出品人:

页数:432

译者:

出版时间:2005-3

价格:59.00元

装帧:Pap

isbn号码:9780345477989

丛书系列:

图书标签:

数学
儿童读物
数数
启蒙
认知
学习
教育
绘本
幼儿
基础

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具体描述

From Harry Turtledove, bestselling author and critically acclaimed master of the short story, comes a classic collection of science fiction tales and what-if scenarios. In narratives ranging from fantastic to oddly familiar to eerily prescient, this compelling volume illustrates Turtledove's literary skill and unbridled imagination.

FORTY, COUNTING DOWN: With the help of his time travel software, computer genius Justin Kloster returns to the past to stop himself from making a terrible mistake-but all actions have their consequences.

THE MALTESE ELEPHANT: A legendary detective finds himself in grave danger when a noir masterpiece takes a stunning new twist.

GODDESS FOR A DAY: Taking a page from history, a young girl dares to challenge the gods-and is richly rewarded for her efforts.

DECONSTRUCTION GANG: Mired in unemployment and despair, an academic finds happiness and intellectual fulfillment in a most unexpected place.

TWENTY-ONE, COUNTING UP: Justin Kloster's college life and romantic dreams are rudely interrupted-and irreversibly disrupted-when forty-year-old Justin arrives from the future to save him from himself.

Plus twelve more thrilling, unforgettable tales of wonder!

这本书“Counting Up, Counting Down”是一部旨在为读者提供丰富、系统的数学知识教育的专著。书中内容涵盖了从基础到高级的各类数学概念，使得初学者也能逐步掌握所需技能，而对于更深层次的理解，则能够通过多层次的演示和分析进行深入学习。这本书以清晰易懂的语言，详细解析了整数运算、加减法以及基本的概念推导，为读者建立扎实的基础。书中首先注重介绍数字系统的基本原理，从零开始引导读者理解数的构成和操作规则，并通过具体例子帮助他们将抽象的知识转化为实际应用。这不仅强调了计算技巧，更重要的是培养了逻辑思维能力。书中章节设计合理，内容层次分明，每一个概念都经过循序渐进地讲解，使得读者在学习过程中能够不断积累和巩固所学知识。 “Counting Up, Counting Down”不仅仅是一个数学教材，更是一本通俗易懂的科普书籍，内容丰富且条理清晰。书中的图示、例题和思考问题均有精心设计，以增强理解力和记忆效果。这些资源在帮助读者巩固基础知识的同时，也为他们探索更高级的数学理论打下坚实基础。这本书还特别注重培养读者的逻辑分析能力，鼓励他们从不同角度思考问题，并通过实践验证所学概念。例如，在讲解加减法时，不仅提供标准答案，还引导读者自己探索不同的解决路径。这种对思维方式的培养，使书籍不仅是知识传递的工具，更是一种学习方法的引导。书中特别适合年轻学生及初级读者，希望通过系统、详细的讲解让他们在了解数学内容的同时，感受到探索和发现的乐趣。此外，这本书的结构设计也考虑到了不同阅读层次的需求，从基础知识到高阶思维训练，均有针对性的安排，使每个读者都能找到适合自己的学习路径。这一系列精心编写的内容，为读者提供了一个全面且深入的学习平台。总体而言，“Counting Up, Counting Down”是一本经过深思熟虑的书籍，其独特之处在于既兼顾知识的传递与理解，还注重培养读者的综合素质。这种细致入微、内容丰富的讲解方式，充分满足了不同层次读者的学习需求，是一本值得推荐的图书。无论是教师用于授课，也是一线学习者都能从中获得重要的启发和指导。

作者简介

Harry Turtledove was born in Los Angeles in 1949. He has taught ancient and medieval history at UCLA, Cal State Fullerton, and Cal State L.A., and has published a translation of a ninth-century Byzantine chronicle, as well as several scholarly articles. He is also an award-winning full-time writer of science fiction and fantasy. His alternate history works have included several short stories and novels, including The Guns of the South, How Few Remain (winner of the Sidewise Award for Best Novel), the Great War epics: American Front and Walk in Hell, the Colonization books: Second Contact and Down to Earth, and American Empire: Blood and Iron. He is married to fellow novelist Laura Frankos. They have three daughters: Alison, Rachel, and Rebecca.