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.], c1996. - 167 p. 22 cm.
971-91750-0-1
Multiplication.
QA 115 / .G257 1996
Powerful mathematics shortcuts and techniques in multiplication : (30 techniques), for all levels and for all times. / Reynaldo B. Gaytero. - [s.l.] : [s.n.], c1996. - 167 p. 22 cm.
971-91750-0-1
Multiplication.
QA 115 / .G257 1996