TY  - BOOK
AU  - Binkley,Dennis
TI  - Math tactics: discovering and using: simple fractions, mixed numbers, decimals and percents, measuring 
T2  - Math in action
SN  - 9780881021035
AV  - QA107 .M3 1989
PY  - 1989///
CY  - Hayward, CA
PB  - Janus Books
KW  - Matemáticas
KW  - Arithmetic
KW  - Aritmética
ER  -