00817nam a2200217 a 450000500170000000800410001702000150005802000150007302000150008802000150010310000230011824500900014126000480023130000160027944000260029550000820032165000300040385200210043399900170045495201280047120200107025747.0080117s19uu    xx            00    eng d  a9716590695  a9716590709  a9716590717  a971659072510aRivera, Derdinand.10aMath challenges :benhancement exercises for high school math /cby Ferdinand Rivera.0 aMakati City :bBasic Media Systems,cc1998.  a4 v. : ill. 0aMath challenges ; v.4  aContents. -- v.1. Freshman. -- v.2. Sophomore. - v.3. Junior. -- v.4. Senior.  aMathematical recreations.  930.00Php7OLOPSC  c59147d59147  00102ddc4070aHSLRCbHSLRCcFILd2020-01-07g30.00oFIL QA 95 R524 1998 v.2pHS4269r2025-05-23 00:00:00w2020-01-07yBK