mathin20s
Region: MA
Wednesday 29 April 2026 11:33:20 GMT
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天竺鼠車車 :
1／π=2√2／9801 Σ k=0 to ∞ （4k)!(1103+26390k)／(k!)⁴396^(4k） 假設k帶入0那麼就是2√2×1103÷9801=3.14159 1103+ （4k)!(1103+26390k)／(k!)⁴396^(4k）+……+∞
2026-04-29 17:34:47
2
SPRINGTRAP :
πππππππππΩΠμ
2026-08-19 17:08:07
0
hudmom :
🤯🤯🤯
2026-04-29 21:15:45
1
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