1. Английский язык
  2. За 1 час первая труба наполняет

За 1 час первая труба наполняет одну сороковую бассейна а вторая 1/60бассейна ответьте на вопросы какую часть бассейна наполняют за час две трубы вместе и за сколько часов наполняет весь бассейн если открыть обе трубы одновременно

SkyZee SkyZee    3   24.09.2019 13:40    1

Ответы
AkameTop AkameTop  08.10.2020 15:22
1) 1/40+1/60=3/120+2/120=5/120=1/24 за 1 час вместе
вопрос номер 2
1) 1:1/24=24 (ч)
ответ:1) 1/24, 2) 24 часа
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