в упаковке 20 ручек. какое наименьшее количество таких упаковок нужно купить, чтобы обеспечить ручкой каждого из 770 участников олимпиады по математике
TheSpace
1
21.09.2020 20:53
222 
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3
39
Пошаговое объяснение:
770/20=38.5
т.к не может быть упаковок 38.5 получается 39