Rivera, Ferdinand.
Math challenges freshman: enhancement exercises for high school math / by Ferdinand Rivera. - Makati City : Basic Media Systems, c1998. - v.4., 48 pages: illustrations; 18 cm - Math challenges ; v.4 .
9716590695
Mathematics--Problems, exercises, etc
QA 95 / R524f 1998
Math challenges freshman: enhancement exercises for high school math / by Ferdinand Rivera. - Makati City : Basic Media Systems, c1998. - v.4., 48 pages: illustrations; 18 cm - Math challenges ; v.4 .
9716590695
Mathematics--Problems, exercises, etc
QA 95 / R524f 1998