Перейти к выбору ответа 04.05.2022Среднее арифметическое двух чисел равен 19,а их разность 4.Найдите эти числа. Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Математика Ответ учителя по предмету Математика (а+в):2=19 а+в=19*2 а+в=38 а-в=4, выразим в. получим в=а-4 а+а-4=38 2а=38+4 2а=42 а=21-первое в=21-4=17-второе
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