1. Secrets of mental math. the mathemagician's guide to lightning calculation and amazing math tricks
پدیدآورنده : Benjamin, Arthur.
کتابخانه: Library of Razi Metallurgical Research Center (Tehran)
موضوع : ، Mental arithmetic- Study and teaching,، Magic tricks in mathematics education,، Mental calculators
رده :
QA
111
.
B44
2006
2. Speed mathematics :
پدیدآورنده : Bill Handley.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Mental arithmetic.,Calcul mental.,Mathematics-- Experiments.,Mathematics-- Study and teaching.,Mathematics, Popular works.,Mathematics.,Mental arithmetic.,Mental arithmetic.
رده :
QA111
.
H26
2003
3. UCMAS
پدیدآورنده : / [translator Davud Qurayshi]
کتابخانه: Central Library of Astan Quds Razavi-Hall of Foreign Books (Khorasan Razavi)
موضوع : Mathematics -- Study and teaching,Mental arithmetic -- Study and teaching,Arithmetic -- Study and teaching
رده :
510
U
17
/IBA
