Amazon.com: Aritmética Moderna Libro II. Serie Matemática Wentworth y Smith (Copiar con Daños por Agua): Wentworth, Jorge / Smith, David Eugenio: Books
Aritmética Elemental (Classic Reprint): George Albert Wentworth: 9780266356318: Amazon.com: Books
Progressing with arithmetic grade 4 (Mathematics for Christian living series): Bauman, Sandra: 9780739904664: Amazon.com: Books
Números y operaciones (Matemáticas, cultura y aprendizaje nº 2) (Spanish Edition) 1, Rico, L./Castro, Encarnación/Castro, Enrique - Amazon.com
Matematica facil con Baldor. Aritmetica 6: Dr. Aurelio Baldor: 9786123011567: Amazon.com: Books
HP Prime Guide THE SILVER-BURDETT ARITHMETICS (Annotated) Selected Exercises: Using the HP Prime to Assist with Arithmetic: Schroeder, Larry, Philips, George Morris, Anderson, Robert F: 9780915573011: Amazon.com: Books