Download - Proofs without words / Bevis med bilder (Novemberkonferansen 2009)

Proofs without words

Øistein Gjø[email protected]

Proofs without words

Muligens ikke bevis…

…og om det er uten ord, kan diskuteres…

http://books.google.no/books?id=Kx2cjyzTIYkC&printsec=frontcover&dq=proofs+without+words

http://books.google.no/books?id=Kx2cjyzTIYkC&printsec=frontcover&dq=proofs+without+words

A Theorem About Triangles

The internal bisector of the right angle of a right triangle bisects the square on the hypotenuse.

http://www.geogebra.org/en/upload/files/Norwegian/oisteing/blog/A_tiny_theorem_of_a_hypotenuse.html

Et trekantteorem

Vinkelhalveringslinjen til den rette vinkelen i en rettvinklet trekant deler kvadratet på hypotenusen i to like store deler.

http://www.geogebra.org/en/upload/files/Norwegian/oisteing/blog/A_tiny_theorem_of_a_hypotenuse.html

En innebygd klassiker

http://www.geogebra.org/en/examples/pythagoras/pythagoras.html

Hvor stor del utgjør det røde kvadratet av hele figuren?

http://www.geogebra.org/en/upload/index.php?action=downloadfile&filename=kvadratoppgave.ggb&directory=Norwegian/oisteing&

http://www.geogebra.org/en/upload/files/Norwegian/oisteing/kvadratoppgave.html

Mathworld.com

http://mathworld.wolfram.com/ProofwithoutWords.html

http://mathworld.wolfram.com/ProofwithoutWords.html

Transparens

Er dynamiske arbeidsark, for eksempel i GeoGebra, tilstrekkelig gjennomsiktig?

Kommer det digitale i veien?

http://www.geogebra.org/en/upload/index.php?action=downloadfile&filename=parallellogram.ggb&directory=Norwegian/oisteing/mx130&

http://www.geogebra.org/en/upload/index.php?action=downloadfile&filename=parallellogram2.ggb&directory=Norwegian/oisteing/mx130&

http://www.geogebra.org/en/upload/index.php?action=downloadfile&filename=kvadratbrikker.ggb&directory=Norwegian/oisteing/mx130&

Aritmetisk middelverdi

http://www.geogebra.org/en/upload/files/Norwegian/oisteing/aritmetisk_middelverdi.html

Pictures taken from the Google Books version of Proofs without words (Roger B. Nelsen)



Download - Proofs without words / Bevis med bilder (Novemberkonferansen 2009)

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