Предмет: Математика, автор: Аноним

1² + 2² + 3² +4² +5² +6² + 7² +8² + 9²=?...не знаю хелп

Ответы

Автор ответа: shayayan

0

Ответ:669

Пошаговое объяснение:если число записанно вот так 2² значит надо это число умножить на самого себя

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