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Mathematics, 24.01.2021 20:10 frisha

La concursul de matematica distractiva Ana a rezolvat corect 5 exerciții și 6 probleme obținând 85 de puncte . Știind ca pentru doua probleme se acorda tot atâtea puncte cat pentru 4 exerciții, afla câte puncte se acorda pentru un exercițiu rezolvat corect și cate pentru o problema.

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