明·万民英 · Chapter 970 / 1491
卷20·太乙月孛星
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Chapter 970 of 1491
总龟算法：置积日加一千二百三十五，以三千二百三十五大数除之，商数一千五十，列上位，其馀不尽者为残分，用七因之。上位商数以二十一，因之，加八，下位以六十二为一度，不满者，不入分。
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