Gaytero, Reynaldo B.
Powerful mathematics shortcuts and techniques in multiplication: (30 techniques) for all levels and for all times/ Reynaldo B. Gaytero. - 167 pages; 21 cm.
9719175001
Multiplication
513.213
Powerful mathematics shortcuts and techniques in multiplication: (30 techniques) for all levels and for all times/ Reynaldo B. Gaytero. - 167 pages; 21 cm.
9719175001
Multiplication
513.213