An Elementary Arithmetic: Designed for Academies and Schools: Also Serving as an Introduction to the Higher ArithmeticD. Appleton & Company, 1857 - 347 σελίδες |
An Elementary Arithmetic: Designed for Academies and Schools: Also Serving as an Introduction to the Higher ArithmeticD. Appleton & Company, 1857 - 347 σελίδες |