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inthedark111
@inthedark111
July 2022
1
7
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Выписаны первые несколько членов геометрической прогрессии: -25; -20; -16;... Найдите ее четвертый член.
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DAK69
Q=-25/-20=0.8
b4=-25*0.8^4-1
b4=-12.8
1 votes
Thanks 1
inthedark111
-12.8
DAK69
да-да забыл поставить
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Answers & Comments
b4=-25*0.8^4-1
b4=-12.8