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ezekel
Answers (1)
S8 = 8/2 [2(A1) + (8 - 1)3] 172 = 8/2 [2A1 + (7)3] 172 = 8/2 (2A1 + 21) 344 = 8 (2A1 + 21) 344 = 16A1 + 168 344 - 168 = 16A1 11 = A1
