Das Zahlenbuch 4, Schulbuch

136 Bildquellennachweis S. 6: David Joyner / iStockphoto.com; S. 13: Klett-Archiv (David Ausserhofer, Wandlitz); S. 16: Laschi / Fotolia.com; Denis Kabanov / Thinkstock; Karl Thomas / Allover / picturedesk.com; syagci / iStockphoto.com; MH Foto Design; SGV / Fotolia.com; HelleM / iStockphoto.com; Picturefoods.com / Fotolia.com; S. 17: Derek Brumby / Thinkstock; Borisb17 / Thinkstock; anyaivanova / Thinkstock; S. 18: Alexander Hoene / Fotolia.com; kirvinic / Fotolia.com; S. 21: Science Photo Library / picturedesk.com; S. 23: stockcam / iStockphoto.com; S. 24: Klett-Archiv (Jens Schacht, Düsseldorf); S. 25: Dan Race / Fotolia; ikonoklast_hh / Fotolia; S. 26: Karl Thomas / Allover / picturedesk.com ; snygo / aboutpixel.de ; Waldemarus / Thinkstock; S. 27: Olaf Wandruschka / Fotolia.com; Kathrin39 / Fotolia.com; Barbarette / Fotolia.com; Herby ( Herbert ) Me / Fotolia.com; Robert Mayer / Fotolia.com; Martin Hahn / Fotolia.com; S. 31: Joachim Neumann / Fotolia.com; S. 34: Klett-Archiv (David Ausserhofer, Wandlitz); Klett-Archiv (David Ausserhofer, Wandlitz); Joy Fera / Fotolia.com; S. 36: Klett-Archiv (David Ausserhofer, Wandlitz); S. 41: MAGICS / Action Press / picturedesk.com; S. 42: David Joyner / iStockphoto.com; S. 43: pavlen / Thinkstock; Alexander Forst / EXPA / picturedesk.com; S. 44: Kruse, Ingrid von / SZ-Photo / picturedesk.com ; S. 48: Dusan Kostic / Fotolia.com; ÖFB - Österreichischer Fußball-Bund; Österreichischer Leichtathletik-Verband; © Pitopia, Alexandra Buss, 2010; Joe McDaniel / iStockphoto.com; Österreichischer Tennisverband; S. 49: filipe varela / Thinkstock; S. 50: hsvrs / iStockphoto.com; openlens / Fotolia.com; thongsee / Fotolia.com; ThKatz / Fotolia.com; S. 51: Fotolyse / Fotolia.com; Mike Watson Images /Thinkstock; MEV-Verlag, Germany; kurga / Thinkstock; S. 57: Maria.P. / Fotolia.com; S. 58: Klett-Archiv (Foto Geuther, Rötha); S. 61: Rodney_X / Thinkstock; S. 66: DiMarzio / Fotolia; S. 67: Michal Krakowiak / iStockphoto.com; AzmanJaka / Thinkstock; gnagel / Thinkstock; S. 71: ullstein bild / Ullstein Bild / picturedesk.com; S. 75: Milous / Thinkstock; S. 76: Zabavna / Thinkstock; Wavebreakmedia Ltd / Thinkstock; Stacy Able / iStockphoto. com; Ale-ks / Thinkstock; S. 77: Bjrn Wylezich / Fotolia; MH Foto Design; Irina Fischer / Fotolia.com; by-studio / Fotolia.com; Neiromobile / Fotolia.com; Henrik Pettersson / Thinkstock; awfoto / Fotolia.com; Frank F. Haub / stock.adobe.com  / Fotolia; S. 80: Stockbyte / Thinkstock; Chalabala / Thinkstock; Michael Bodmann / iStockphoto.com; S. 88: Klett-Archiv (Martin Adam, Berlin); Klett-Archiv (Martin Adam, Berlin); S. 89: öbv (Harald Waiss, Wien); S. 91: öbv (Wolfgang Renner, Wien); S. 93: Barbara Gindl / APA / picturedesk.com; Roman Babakin / Thinkstock; S. 94: Walter Luger / Fotolia.com; öbv (Harald Waiss, Wien); Ma / Interfoto / picturedesk.com; S. 98: Christian Nasca / iStockphoto.com; S. 100: Andrey Armyagov / Fotolia.com; S. 110: roman023 / Thinkstock; S. 111: Omika / Fotolia; MEV-Verlag, Germany; Roni Ben Ishay / Thinkstock; S. 112: Elena Elisseeva / iStockphoto.com; Franz Pfluegl / Fotolia; Wolfgang Jargstorff / Fotolia.com; S. 113: Vladimir Mucibabic / Fotolia.com; kickers / istockphoto.com ; Zauberhut / Fotolia.com; S. 114: Martina Berg / Fotolia.com; S. 115: NationalparkRegion Hohe Tauern Kärnten / OTS / picturedesk.com; fightbegin / Thinkstock; S. 116: Eric Ferguson / iStockphoto.com; Eric Simard / iStockphoto.com; Maksim Shebeko / Fotolia.com; Ryan Jones / iStockphoto.com; TUNA TIRKAZ / iStockphoto.com; rraheb / Thinkstock; Sven Larsen / iStockphoto.com; S. 117: M.C.Escher's"Symmetry Drawing E67"©2017 The M.C. Escher Company-The Netherlands; S. 121: Georgios Kollidas / Fotolia; S. 122: LianeM / Thinkstock; bluejayphoto / Thinkstock; Paweł CYGAN / Fotolia.com; S. 123: © BRANDNER Schiffahrt Wachau; Richard Semik / Thinkstock; pure-life-pictures / Fotolia.com; S. 124: Chris Kruger / iStockphoto.com; Duncan Noakes / Fotolia.com; S. 125: CornelisNienaber / Thinkstock; Duey / Fotolia.com; adwalsh / iStockphoto.com; S. 126: Klett-Archiv (Bettina Goebecke, Leipzig); Klett-Archiv (David Ausserhofer, Wandlitz); MEV-Verlag, Germany; S. 128: Ralf Geithe / Fotolia.com; Klett-Archiv (Jens Schacht, Düsseldorf); Hans Klaus Techt / APA / picturedesk.com; S. 129: Gina Sanders / Fotolia.com; S. 130: craftvision / iStockphoto.com; S. 131: Klett-Archiv (David Ausserhofer, Wandlitz); S. 132: MEV-Verlag, Germany; lues01 / Thinkstock; snygo / aboutpixel. de; fotoreisen.com  / Fotolia; Andrew Howe / iStockphoto.com; Paweł Spychała / iStockphoto.com; S. 133: FooTToo / Thinkstock; Klett-Archiv (Bettina Goebecke, Leipzig) Euro-Münzen und –Banknoten © Europäische Zentralbank Frankfurt Nur zu Prüfzwecken – Eigentum des Verlags öbv