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@badcyprus · supergroup · filtered by Anton Belov
Anton Belov 2023-01-15 19:28 UTC
DmitryStu
Кстати, хозяйке на заметку. Доказано 0.(9) = 1.
изи же 🙂
0.(9) = x => 10x = 9+x => x = 1
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