Introduction to the National Arithmetic: On the Inductive System : Combining the Analytic and Synthetic Methods with the Cancelling System ... : Designed for Common SchoolsRobert S. Davis, 1845 - 196 Seiten |
Introduction to the National Arithmetic: On the Inductive System : Combining the Analytic and Synthetic Methods with the Cancelling System ... : Designed for Common SchoolsRobert S. Davis, 1845 - 196 Seiten |