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Вопрос по математике:
Продолжительность дня а часов. чему равна продолжительность ночи? составьте выражение . найди его значение при а= 8:-
Автор:
dominicrussell
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В сутках 24 часа. Если известна продолжительность дня, равная а часам, то чтобы найти продолжительность ночи, надо из времени суток 24 часа вычесть продолжительность дня а часов.24 – а;Если а = 8, то 24 – а = 24 – 8 = 16 (часов); а =10. 24 – 10 = 14 (часов)а = 12, 24 – 12 = 12 (часов).
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