Предмет: Математика, автор: Варя20020515

одна сторона прямуогольника а см ,другая на 2 см меньше . найти площадь прямуогольника

Ответы

Автор ответа: msirina2350

если одна сторона а, то другая (а-2)
площадь S=длина×ширина=а×(а-2)=а^2-2а

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