File:Chinese Abacus.jpg
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Size of this preview: 83 × 593 pixels. Other resolutions: 33 × 240 pixels | 1,641 × 11,729 pixels.
Original file (1,641 × 11,729 pixels, file size: 1.36 MB, MIME type: image/jpeg)
Summary
This file introduces the history and modern meaning of abacus.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:47, 19 December 2025 | | 1,641 × 11,729 (1.36 MB) | Shen Yan (talk | contribs) | This file introduces the history and modern meaning of abacus. |
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