00453 am a2200145 4500001000500000005001700005008004100022020001800063040002700081100001800108245002200126260002900148999001500177952011500192950920260327110325.0 s2016 xr ---------u-------cze d a9788073783259 aGJHKNbczeerdacGJHKN1 aPolya, George10aJak to řešit? aPrahabMatfyzPressc2016 c9373d9373 00104070aGJHKNbGJHKNcDOSPd2017-11-23g154.00i16068l0oFYp0016068r2026-03-27 11:03:25w2026-03-27yBK