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一、25202520是一个有趣的四位数,它趣在除以任何一个一位数都没有余数,你信不信,不信你就试一试。2520÷1 2520÷2 2520÷3
One, 25202520 is a funny four-digit number, it is interesting to divide by any one digit has no remainder, believe it or not, try it. 2520 ÷ 1 2520 ÷ 2 2520 ÷ 3