Предмет: Математика, автор: namirakaliakparova51

б) в читальном зале было 17 учеников. После того как пришло
ещё несколько учеников, их стало 31. Сколько учеников при-
шло в зал?
Пусть x — количество учеников, которые пришли.
С помощью уровнения

Ответы

Автор ответа: nahave123

Ответ:

Пошаговое объяснение:

Пусть x — количество учеников, которые пришли.

Тогда: 31 = 17 + x, отсюда

x = 31 - 17

x = 14

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