Mnemory 2017 - 2018 | Zdroje údajů:

 

stránka #1: https://en.wikipedia.org/wiki/Languages_used_on_the_Internet

stránka #2: https://en.wikipedia.org/wiki/List_of_countries_by_English-speaking_population

stránka #3: https://www.popsci.com/article/science/fyi-how-did-english-get-be-international-language-science

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