Предмет: Математика, автор: lokotoshdiana19

Допоможіть будь ласка, дякую!!!

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Автор ответа: kadyrbekovabegaim701

Ответ:

сначала мы делим 30 на 2 у нас получается 15 ну а дальше мы просто 30 прибавляем 15 у нас получается 45 не знаю правильно ли но у меня вот так вот получилось

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