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#2511: ans


1752786-4@g.puiching.edu.mo (林敬晉P5A08(JalenLam_progamer)(IQ...)

School : Pui Ching Middle School
ID : 3260
IP address : [192.168.120.33]
Last Login ：
2025-06-05 11:37:15
a119. 等差數列末項計算 | From: [192.168.120.33] | Post Date : 2025-06-12 21:28

(a2-a1)*(n-1)+a1

 
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