The Rudiments of Written Arithmetic: Containing Slate and Black-board Exercises for Beginners, and Designed for Graded Schools Ivison, Blakeman, Taylor & Company, 1870 - 224 σελίδες |
The Rudiments of Written Arithmetic: Containing Slate and Black-board Exercises for Beginners, and Designed for Graded SchoolsIvison, Blakeman, Taylor & Company, 1870 - 224 σελίδες |