An Elementary Arithmetic: Designed for Academies and Schools : Also Serving as an Introduction to the Higher ArithmeticD. Appleton & Company, 1859 - 363 σελίδες |
An Elementary Arithmetic: Designed for Academies and Schools : Also Serving as an Introduction to the Higher ArithmeticD. Appleton & Company, 1859 - 363 σελίδες |