Arithmetic: In which the Principles of Operating by Numbers are Analytically Explained and Synthetically Applied : Illustrated by Copious Examples : Designed for the Use of Schools and Academies Brown and Taggard, 1860 - 312 σελίδες |
Arithmetic: In which the Principles of Operating by Numbers are Analytically Explained and Synthetically Applied : Illustrated by Copious Examples : Designed for the Use of Schools and AcademiesBrown and Taggard, 1860 - 312 σελίδες |