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[좋은글/영상] 엄청 놀라운 숫자 2025 이야기
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엄청 놀라운 숫자 2025 이야기가 있네요.
1. 2025 itself is a PERFECT square:
45² = 2025
2. It is a product of two squares, namely:
9² × 5² = 2025
3. It is the sum of THREE squares, namely:
40² + 20² + 5² = 2025
4. 2025 is the next PERFECT SQUARE
It comes after the year 1936
44² = Year 1936
45² = Year 2025
5. It is the sum of the cubes of all the digits from 1 to 9:
1³ + 2³ + 3³ + 4³ + 5³ + 6³ + 7³
+ 8³ + 9³ = 2025
6. It is also the squared sum of all the numbers from 1 to 9: (1+2+3+4+5+6+7+8+9)²=2025
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출처: 내쉬빌 한인회 톡방 (**석)
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