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26-April-2024 Friday
Reply to the post “How to determine the exact time using the constellation Ursa Major?”

Reply to the post “How to determine the exact time using the constellation Ursa Major?” - Astronomy, Education, Nauchpop, Children's literature, Children's magazine, Entertaining math, Entertaining arithmetic, Longpost, Reply to post

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24-April-2024 Wednesday
How to determine the exact time using the constellation Ursa Major?

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06-July-2023 Thursday
Useful for everyone: how simple math tricks can make your life easier

Useful for everyone: how simple math tricks can make your life easier - Mathematics, The science, Education, Check, Numbers, Technics, Arithmetic, Entertaining arithmetic, Mental arithmetic, Longpost

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