olymmath

RU-ALLRUSSIAN 1980 Problem 1

  • Answer

All two digit numbers from 19 to 80 inclusive are written down one after the other as a single number N=192021…7980\mathrm{N} = 192021\ldots 7980 . Is N divisible by 1980?

Dataset text NuminaMath olympiads. Quoted with source.

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Yes

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Locator ru-allrussian/1980/p1 · Tag MN9448BP72 · Edit this page on GitHub · Keys: j next, k previous