00773nam a2200253 a 450000500170000002000180001708200160003510000320005124501040008326000380018730000260022549000550025150000190030660000080032563000160033363000170034963000230036685600060038985600060039596400160040199700130041799900190043095200700044920251203114945.0  a9789811205828  a510.79bGER  aGeretschläger, Robert Ed.  aEngaging young students in mathematics through competitionsbworld perspectives and practices vol.1  aSingaporebWorl Scientificcc2018  axvi, 176p.c24cm.bHB  aProblem solving in mathematics and beyond , Vol 13  aIncludes index  bc_  aMathematics  aCompetitions  aStudy and teaching  f_  a_  bcdefg_  a216296 R  c204697d204697  00104071aPUbPUd2020-06-22g4324.80l0o510.79 GERp216296yR