000 00288nam a2200109Ia 4500
005 20260316114028.0
008 260316s9999||||xx |||||||||||||| ||und||
100 _aKrishnamurthy Pranesachar
245 0 _aChallenge and Thrill of Pre-College Mathematics
650 _aMathematics
942 _cBK
999 _c2723
_d2723