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Mathematics, 01.04.2020 16:32 fernandaretanaoxwln0

Na treningu odmierzano za pomocą aplikacji komputerowej 15-minutowe cykle ćwiczeń, które następowały bezpośrednio jeden po drugim. Ola zaczęła ćwiczyć, gdy pierwszy cykl trwał już 2 minuty, a skończyła, gdy do końca trzeciego cyklu zostało jeszcze 7 minut. Ile łącznie minut Ola ćwiczyła na zajęciach? Wybierz właściwą odpowiedź spośród podanych. A. 36 B. 35 C. 24 D. 21

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