Обозначение символа альфа - @ ([email protected][email - вопрос №27740274 от Snyezha 18.08.2022 17:08

Question

Математика: Обозначение символа альфа - @ ([email protected][email protected])^2 - ([email protected]@)^2

Snyezha · Answer

([email protected] + [email protected])² - ([email protected] - [email protected])² = ([email protected] + [email protected] - [email protected] + [email protected])([email protected] + [email protected] + [email protected] - [email protected]) = [email protected]@ = 4
ответ: 4