Arithmetic: In which the Principles of Operating by Numbers are Analytically Explained and Synthetically Applied ... J. & J.W. Prentiss, 1843 - 262 σελίδες |
Arithmetic: In which the Principles of Operating by Numbers are Analytically Explained and Synthetically Applied ...J. & J.W. Prentiss, 1843 - 262 σελίδες |