The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science are Illustrated by a Variety of Examples : a Large Proportion of which are in Federal Money ...M'Carty & Davis, 1839 - 198 σελίδες |
The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science are Illustrated by a Variety of Examples : a Large Proportion of which are in Federal Money ...M'Carty & Davis, 1839 - 198 σελίδες |