[One-shot test of creativity]Elementary school students who can solve graphic problems in an instant[Junior Arithmetic Olympics]

[Difficulty: ★★☆☆☆]Trial questions for the 2002 Junior Math Olympiad. ▼Important solution point ① Let’s focus on the relationship between one side of the square and one side of the rectangle. If you notice it here, you win. ② If you know what the length of the circumference represents, you should know the answer. It was a problem that required one-shot creativity that could be solved instantly. I never get tired of solving these problems. It was very interesting. ▼ Click here for each SNS of manavisquare (Manabi Square) HP https://manavigate.co.jp/ twitter https://twitter.com/manavisquare Yuta Sugafuji twitter https://twitter.com/mrkeiosfc16no1 ▼ Feel free to contact us please give me! kikaku@mnsq.jp