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tomasz.kosnowicz (44)in #polish • 7 years ago (edited)

#matematyka #nauka #edukacja #youtube

7 years ago in #polish by tomasz.kosnowicz (44)

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steemitboard (66) 5 years ago

Congratulations @tomasz.kosnowicz! You received a personal award!

Happy Birthday! - You are on the Steem blockchain for 2 years!

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Vote for @Steemitboard as a witness to get one more award and increased upvotes!

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