Mental math

Mental math

Bibliographische Detailangaben
1. Verfasser: Mariano, Ma. Luisa
Körperschaft: University of the Philippines. Open University
Format: Buch
Sprache:English
Veröffentlicht: Quezon City UP Open University, Office of Academic Support & Instructional Services c2004.
Schlagworte:
Mental arithmetic.
Mathematics > Problems, exercises, etc.