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2025的特殊之处

Floor 1 啊啊是谁都对 1/2/25 23:13
2025
=(20+25)²
=(1+2+3+4+5+6+7+8+9)²
=1³+2³+3³+4³+5³+6³+7³+8³+9³ ​​​
Floor 2 圆环之理 1/2/25 23:41
哇不错
Floor 3 悄悄打开魔盒 1/3/25 21:38
2025是平方数,去掉一个0还是平方数
啊啊是谁都对: 确实
Floor 4 巨大八爪鱼 3/31/25 20:15
2008+5+12=2025
2011+3+11=2025

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