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Rein Wiselius

  • Nieuwe Kamer 2 nieuwe kastjes

    Activity

    Rein Wiselius

  • Nieuwe Kamer

    Activity

    Rein Wiselius

  • Uitleg driehoek en langste zijde.

    Activity

    Rein Wiselius

  • Pythagoras' Theorem with areas

    Activity

    Rein Wiselius

  • Exterior angle theorem

    Activity

    Rein Wiselius

  • Stelling van de buitenhoek (met graden)

    Activity

    Rein Wiselius

  • Geogebra opdracht 4: Conflictlijn parabool construeren m.b.v. Isolijnen.

    Activity

    Rein Wiselius

  • Geogebra opdracht 1: Vlieger

    Activity

    Rein Wiselius

  • Doorsnede Kubus

    Activity

    Rein Wiselius

  • Lesje Bert

    Activity

    Rein Wiselius