Elementary school mathematics : getting ready 5 /
Robert E. Eicholz, Phares G. O'Daffer ; consulting authors Charles F. Brumfiel, Merrill E. Shanks.
- 2a ed.
- Menlo Park [E.U.A.] : Addison-Wesley, c1968.
- 48 p. : il. col.
- Elementary school mathematics series .
"Cuaderno de ejercicios"
MATEMATICAS ---ESTUDIO Y ENSEÑANZA (ELEMENTAL) ---ESTADOS UNIDOS