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Suneung-styl. Dla f(x) = a x + b takie że f(f(x)) = 4 x + 9 , znajdź wszystkie pary (a, b)
Suneung-styl. Dla f(x) = a x + b takie że f(f(x)) = 4 x + 9 , znajdź wszystkie pary (a, b)
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