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Description
Rubik's 3x3 - SpeedLe Rubiks Cube peut tre rsolu en vingt mouvements, mais quelle vitesse pouvez vous y parvenir? Le record du monde a t tabli 3,47 secondes en 2018. Pour obtenir de meilleurs temps, les Speed Cubers apprennent les squences de mouvements qui permettent de rsoudre le cube, appeles algorithmes. Lorsquils voient une configuration, ils savent quels algorithmes utiliser pour rsoudre le cube. Les Speed Cubers entranent galement leurs mains se dplacer le plus
Le Rubik’s Cube peut être résolu en vingt mouvements, mais à quelle vitesse pouvez-vous y parvenir? Le record du monde a été établi à 3,47 secondes en 2018.
Pour obtenir de meilleurs temps, les Speed Cubers apprennent les séquences de mouvements qui permettent de résoudre le cube, appelées algorithmes. Lorsqu’ils voient une configuration, ils savent quels algorithmes utiliser pour résoudre le cube. Les Speed Cubers entraînent également leurs mains à se déplacer le plus rapidement possible pour atteindre des temps étonnants. Pensez et agissez à toute vitesse. Le design amélioré utilise désormais des aimants pour ajouter de la stabilité et agir comme un système de positionnement, pour aider à aligner le Cube pour les rotations suivantes et permettre des permutations moins difficiles.
8 ans et plus
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4.9 ★★★★★
Based on 209 reviews
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Product Reviews
★★★★★ 5
A brilliant family, cultural and business history
Format: Kindle
What starts out as the personal and business history of a deeply religious and close family, expands into a study of the disintegration and continued importance of family, religious and cultural ties, the sources of anti-semitism and a window into some of the most dramatic moments of war and peace in the 20th century. Brilliantly researched, and interestingly written, it touches on topic after topic of importance, without pretence, and without either glorifying or deprecating the many contributions of the many Warburg family members it follows. Deserving of some high award, for sure!
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Reviewed in the United States on November 23, 2021
★★★★★ 4
Wow ! What a great read
Format: Hardcover
I've read most of Ron Chernows books and they all are just overpowering. The history that you will learn is astounding, and it comes to you as a wonderfully told story. The Warburgs, will put the pieces of the history puzzle together from pre-WWI Germany to the Treaty of Versailles, WWII, post-WWII Germany, plus Warburg involvement with the creation of the current US Central Bank and service on the board of the Federal Reserve. The story covers the split of the family telling the stories of those who remained in Germany some of whom suffered death in the Holocaust, while others lost wealth, position, and sanity yet one remained relatively unscathed building a library of great works while in Germany through Hitler"s reign. The journey of the family is a European, American, and Anglo journey, of a family that prospered and suffered and prospered again leaving it's mark on history for the last three centuries, and still survives.
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Reviewed in the United States on January 21, 2013
★★★★★ 5
Very well researched, most informative and extremely well written.
Format: Hardcover
A talented writer, to say the least, Mr. Chernow seemed to research this remarkable book with the aim of painlessly educating even the most reluctant reader about an international banking family. He writes so well that this tome is a page turner: hard to put down, not the least boring even when the focus is on economics--the dismal science, as it is called--and helps one understand why many German Jews were heartbroken to leave Germany even during Hitler's regime. The Warburgs were an outstanding family with energy that seemed to know no bounds though some family members were stricken with diabetes, psychological illnesses and even poverty at times. Amazing! I highly recommend this wonderful book.
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Reviewed in the United States on January 11, 2009
★★★★★ 5
Unpacks Nazi rhetoric & makes it relevant to today
Format: Kindle
Ron Chernow’s best book ... unpacks Nazi rhetoric and makes it relevant to today. While I read his other books, honestly this book was far more impactful. I realized how little I knew about specific families and citizens in Germany during the rise of the Third Reich. While the Warburg family was extremely wealthy and atypical, they were very savvy yet still were very aligned to country which caused them to underestimate what was happening in Germany. I love to read about US leaders, but by reading this, realized I need to get out of US history and into global history. Also, while the Warburg brothers were the main focus, I appreciated focus and development of the important woman in the narrative.
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Reviewed in the United States on February 24, 2018
★★★★★ 5
A Comprehensive Framework for Tackling Complexity with Confidence
Format: Kindle
Strategic Problem Solving is a powerhouse of a guide for anyone navigating today’s fast-paced, high-stakes business environment—or just dealing with tough challenges in general. Mark Hartley distills years of expertise into an actionable, easy-to-follow framework that makes complex decision-making feel manageable.
The seven-step framework is the star of this book, offering a logical, systematic approach to breaking down big problems and creating solutions that stick. Each chapter walks readers through a specific phase of problem-solving, from defining the problem with precision to communicating and implementing solutions with clarity and impact. This isn’t just theory—every concept is illustrated with real-world examples, case studies, and practical tools like flowcharts and work plans.
What makes this book stand out is its versatility. It’s perfect for professionals like executives, consultants, and managers, but the ideas can also apply to personal challenges. The tools for critical thinking, prioritization, and creative innovation feel universally relevant. Hartley’s writing is clear and concise, making even complex strategies approachable.
One of my favorite aspects is the emphasis on real-world application. For example, the chapter on disaggregating problems compares tackling a challenge to scaling a mountain, encouraging readers to “break the mountain into hills.” It’s practical advice that sticks, and the accompanying tools like mind maps and timelines make it easy to translate into action.
This book is more than just a manual for solving business problems—it’s a mindset shift. It helps you think critically, lead confidently, and make smarter decisions. Whether you’re managing a team, driving innovation, or simply trying to up your problem-solving game, this guide will be an invaluable resource.
Highly recommended for leaders, thinkers, and anyone striving to navigate complexity with skill and precision!
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Reviewed in the United States on December 19, 2024