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This article explains the mathematical problem-solving approach. Based on George Pólya's "How to Solve It," we introduce the characteristics of people who excel in mathematics and four effective steps for problem-solving. We explore tips for overcoming math difficulties and the potential for application in various fields.

This article provides an overview of world history from ancient to modern times, divided into major historical peroids.

We unravel historical episodes where currency influenced the fate of nations. From the decline of the Roman Empire to modern monetary systems, let's enjoy learning world history from the perspective of currency.

Through the history of currency and its role, we explain the story of world history in an easy-to-understand manner. In Part 1, we explore the definition and functions of currency, its various forms, and its historical development.