Предмет: Алгебра, автор: elizavietaluki29

Найдите сумму первых шести членов геометрической прогрессии 3; 12; 48

Ответы

Автор ответа: Аноним

Закономерность такая:каждое следующее число больше предыдушего в 4 раза.

3;12;48;192;768;3072

3+12+48+192+768+3072=4095

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