Κανονική προβολή Προβολή MARC Προβολή ISBD

Estimation and mental computation : 1986 yearbook ; Harold L. Schoen, Marilyn J. Zweng. - Virginia: National Council of teachers of Mathematics. 1988 - 248 p. ; 24 cm.

ISBN: 0873532260

Subjects--Topical Terms:
Mathematics
Problem solving
Arithmetic, Mental

Dewey Class. No.: 511.4