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Rein Wiselius
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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
