Предмет: Математика, автор: Аноним

два полных оборота. 3 Фигуры составили из шаров. Для второй фигуры нужно 3 шара. Сколько шаров нужно для восьмой фигуры? ​

Ответы

Автор ответа: younglove2007
0

Ответ:

17 шт

Пошаговое объяснение:

алгоритмы этой фигуры в основании :

n=9

выше первого слоя верх на одно меньше:

n-1=9-1=8

всего шаров:

9+8=16 шаров

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