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Wnioskowanie na temat nieznanych zmiennych: podzielność

Piotr rozwiązuje następujące zdanie: Wiemy, że a, b, i c to dodatnie liczby całkowite, gdzie a jest wielokrotnością c, oraz (a+b)/c to liczba całkowita. Czy b koniecznie musi być wielokrotnością c? Stworzone przez: Sal Khan.

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Transkrypcja filmu video

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