Train your memory. Geheugen trainer.

Author:Jan Elemans

Druk op start. De klok loopt 10 seconden. Beantwoord daarna de vraag. Succes! Press start. The clock runs for 10 seconds. Answer the question. Good Luck!

Let goed op. Is erg lastig! Is very challenging!

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bewijs stelling van Pythagoras
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Steel Chair
Tangent Vector (2)
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Parallel Lines
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Discover Topics

Plane Figures or Shapes
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