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Scope: Mathematics Request type: Paragraph
Condition 1: Contains text "青" Matched:12.
Total 3 paragraphs. Page 1 of 1.

算书 - Mathematics

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九章算术 - The Nine Chapters

[Western Han - Xin] 120 BC-20
Books referencing 《九章算术》 Library Resources
Related resources
[Also known as: 《九章算经》]

均输

Library Resources
10 均输:
今有络丝一斤为练丝一十二两,练丝一斤为丝一斤十二铢。今有丝一斤,问本络丝几何?
答曰:一斤四两一十六铢、三十三分铢之十六。
术曰:以练丝十二两乘丝一斤一十二铢为法。以丝一斤铢数乘练丝一斤两数,又以络丝一斤乘之,为实。实如法得一斤。

方程

Books referencing 《方程》 Library Resources
14 方程:
今有白禾二步、禾三步、黄禾四步、黑禾五步,实各不满斗。白取、黄,取黄、黑,黄取黑、白,黑取白、,各一步,而实满斗。问白、、黄、黑禾实一步各几何?
答曰:白禾一步实一百一十一分斗之三十三,禾一步实一百一十一分斗之二十八,黄禾一步实一百一十一分斗之一十七,黑禾一步实一百一十一分斗之一十。
术曰:如方程,各置所取,以正负术入之。

周髀算经 - Zhou Bi Suan Jing

[Han] 50 BC-100
Books referencing 《周髀算经》 Library Resources
Source

卷上

Books referencing 《卷上》 Library Resources
5 卷上:
商高曰:“平矩以正绳,偃矩以望高,覆矩以测深,卧矩以知远,环矩以为圆,合矩以为方。方属地,圆属天,天圆地方。方数为典,以方出圆。笠以写天。天黑,地黄赤。天数之为笠也,黑为表,丹黄为里,以象天地之位。是故知地者智,知天者圣。智出于句,句出于矩。夫矩之于数,其裁制万物,唯所为耳。”周公曰:“善哉!”

Total 3 paragraphs. Page 1 of 1.