TY  - BOOK
AU  - Bach,Daniel J.
AU  - Leitner,Patricia J.
TI  - Prealgebra: mathematics for a variable world 
SN  - 0072969105
AV  - QA39.3 .B33 2006
U1  - 513/.14   22
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill
KW  - Mathematics
KW  - Số học
KW  - Toán học
N1  - Includes indexes
UR  - http://www.loc.gov/catdir/enhancements/fy0668/2004056974-t.html
UR  - http://www.loc.gov/catdir/enhancements/fy0668/2004056974-d.html
ER  -