{
  "isbn13": "9789401471831",
  "title": "De dikke Pythagoras",
  "subtitle": "Meer dan 600 wiskundige puzzels, spellen en doordenkers voor jong en oud",
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  "edition_number": "3",
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  "pub_date": "2020-11-24T00:00:00.000Z",
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  "contributors": [
    {
      "seq": 1,
      "role": "A01",
      "name": "Jan Guichelaar",
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      "names_before_key": "Jan",
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      "role": "A01",
      "name": "Paul Levrie",
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    {
      "seq": 1,
      "text_type": "05",
      "text": "<p>Het tijdschrift <em>Pythagoras</em> is al zestig jaar lang een begrip in Nederland en België. Telkens weer laat het blad zien dat wiskunde zo veel meer is dan een saai schoolvak.</p> <p>In dit ultieme wiskundige puzzelboek bundelen Jan Guichelaar, Paul Levrie en Roosmarij Vanhommerig de allerbeste doordenkers die door de jaren heen in <em>Pythagoras</em> zijn verschenen. Ze combineren deze breinbrekers met verrassende wiskundige wist-je-datjes. Bovendien zit er in elk paginanummer een wiskundig raadsel verstopt.</p> <p>Het resultaat? Een heerlijk veelzijdig boek dat je de schoonheid van wiskunde leert ontdekken én garant staat voor urenlang puzzelplezier.</p> <p>WIST JE DAT...</p> <ul> <li>er 'gelukkige getallen' bestaan?</li> <li>Eratosthenes ruim 2000 jaar geleden de omtrek van de aarde al vrij correct berekende? Zijn schatting week minder dan 2 procent af van de werkelijke waarde.</li> <li>jij minder vrienden hebt dan jouw vrienden, volgens de vriendschapsparadox?</li> </ul>",
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      "text_type_name": "Flaptekst"
    },
    {
      "seq": 2,
      "text_type": "13",
      "text": "Uren puzzelplezier voor jong en oud, met wiskunde als verrassende rode draad",
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