Red Dragonfly : mathematics challenge /

Hosomizu, Yasuhiro

Red Dragonfly : mathematics challenge / Yasuhiro Hosomizu. - New South Wales, Aust. : Department of Education and Training, c2010. - 100 p. : il. col.

9780731386949


MATEMATICAS ---PROBLEMAS, EJERCICIOS, ETC.
Razonamiento matemático