Powerful mathematics shortcuts and techniques in multiplication : 30 techniques for all levels and for all times /

Gaytero, Reynaldo B.

Powerful mathematics shortcuts and techniques in multiplication : 30 techniques for all levels and for all times / Reynaldo B. Gaytero.-- -- [S.l. : s.n.]. 1996.
167 p. ; 22 cm.

9719195001


Mulitpication-Study and teaching.
Mathematics-Study and teaching.

Fil 512.21307 G257 1996