Предмет: Алгебра, автор: vindexvlad

(x-y)(x+y) = (y-x)(y+x)? равны ли эти выражения?


vindexvlad: можете не отвечать, я уже понял, что спрашиваю какую-то глупость

Ответы

Автор ответа: morganaD
1

Ответ:

Решение на фотографии

Приложения:

vindexvlad: спасибо, но это и так было логично, просто пока додумался, а уже поздно
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