Предмет: Алгебра, автор: mironova171

Выписаны первые несколько членов геометрической прогрессии: -25, -20, -16, ... Найдите ее четвертый член.

Ответы

Автор ответа: maryad97

0

q= -16/ (-20)=0.8
b4= -16*0.8 = -12.8

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