Mathematics, 10.05.2021 14:00, miyayo

He learned an average of 130130130 new words per month when he lived in Portugal and an average of 150150150 new words per month when he lived in Brazil. In total, he learned 192019201920 new words. How long did Wolfrich live in Portugal, and how long did he live in Brazil?

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He learned an average of 130130130 new words per month when he lived in Portugal and an average of 1...