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Houen shinpou : uchigo jouseki
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方円算経逐斜
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Shiseidou ganyaku houen bassui
![[歴民カード_歴史] 方円算経](https://khirin-i.rekihaku.ac.jp/iiif/nmjh_rekimin_h/11248275_02.tif/full/200,/0/default.jpg)
[歴民カード_歴史] 方円算経
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Uploaded: 2020-12-17