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- 17:43, 31 December 2025 diff hist +2 User:Shen Yan current
- 15:45, 28 December 2025 diff hist +244 User:Shen Yan
- 15:33, 28 December 2025 diff hist +5,586 User:Shen Yan
- 14:36, 28 December 2025 diff hist -2 User:Shen Yan
- 14:34, 28 December 2025 diff hist +19,102 User:Shen Yan
- 08:34, 28 December 2025 diff hist +2,409 User:Shen Yan
- 09:47, 19 December 2025 diff hist +76 N File:Chinese Abacus.jpg This file introduces the history and modern meaning of abacus. current
