Rivera, Derdinand.
Math challenges : enhancement exercises for high school math / by Ferdinand Rivera. - Makati City : Basic Media Systems, c1998. - 4 v. : ill. - Math challenges ; v.4 .
Contents. -- v.1. Freshman. -- v.2. Sophomore. - v.3. Junior. -- v.4. Senior.
9716590695 9716590709 9716590717 9716590725
Mathematical recreations.
Math challenges : enhancement exercises for high school math / by Ferdinand Rivera. - Makati City : Basic Media Systems, c1998. - 4 v. : ill. - Math challenges ; v.4 .
Contents. -- v.1. Freshman. -- v.2. Sophomore. - v.3. Junior. -- v.4. Senior.
9716590695 9716590709 9716590717 9716590725
Mathematical recreations.