Предмет: Математика, автор: andrejzaac722

Если, допустим, есть пример (7-6)(6+7), то как понять, что из них a, а что b, чтоб потом подставить это в формулу a^2-b^2?

Ответы

Автор ответа: katletkaken779
1

Ответ:

В примере

(7 - 6)(6 + 7)

ВСЕГДА смотрим на скобку с минусом , следовательно получиться 7 = а, а 6 = б

7 {}^{2} -6 {}^{2}

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