ຮູບ:RomanAbacusRecon.jpg
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RomanAbacusRecon.jpg (໓໐໐ × ໒໓໙ ປິກເຊລ, ຂະໜາດໄຟລ໌: ໒໔ KB, MIME type: image/jpeg)
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ວັນເວລາ | ມິຕິ | ຜູ້ໃຊ້ | ຄຳເຫັນ | |
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ປະຈຸບັນ | ໑໐:໔໗, ໑໘ ພຶດສະພາ ໒໐໐໕ | ໓໐໐×໒໓໙ (໒໔ KB) | Luestling | (Abacus Scanned and uploaded by Malcolm Farmer (English Wikipedia) '''Source:''' Article for "abacus", 9th edition Encyclopedia Britannica, volume 1 (1875) Category:History of mathematics) |
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File change date and time | ໑໒:໓໙, ໑ ພຶດສະພາ ໒໐໐໔ |
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Date and time of digitizing | ໑໒:໓໙, ໑ ພຶດສະພາ ໒໐໐໔ |
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