Mathematics
Senior High
Solved

これの計算の仕方を教えてください🙇⋱

1/2.2ml {2.27+(21-1)・1
S=7·2"-¹{2.2"-1+(2ª¯¹ − 1) • 1} =2"-2(3.2n-1-1) ---- s 70

Answers

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