Предмет: Математика, автор: nikazy

помогите расскрыть скобки(с объяснением, так как не понимаю)
(2x+3)(2x-1)
а также объясните, как решать пропорции

Ответы

Автор ответа: КсюняЛупакова

1

решение способом фонтанчика.

Приложения:

nikazy: Спасибо, а можешь ещё с одним помочь?

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