A New System of Arithmetic, On the Cancelling Plan: Embracing the Rules of the Three, Single and Double, Direct and Inverse; Barter; Loss and Gain; . of Currencies; Interest: And All Proportional
Автор: Robert Carey Monmouth, 316 стр., издатель: "Книга по Требованию", ISBN: 978-5-8772-1152-0


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