Знайдіть суму нескінченної ї прогресії 16 8 4

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Ответ:

MarkTell

03.10.2020 17:23

S=b1/1-q
b1=16
q=b2:b1
q=8:16=0.5
S=16/1-0.5=16/0.5=32
S=32

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