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https://www.google.ro/......ps?/search
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http://www.didactic.ro/......dispersiei
http://www.didactic.ro/......entruliceu
http://justphysics.host56.com/prisma_optica.html
http://www.referatmd.com/fizica/prisma-optica
http://www.referatmd.com/fizica/optica-formule
http://www.e-referat.net/cauta/formule+prisma+optica
http://www.e-referat.net/cauta/fizica+prisma+optica
http://ro.math.wikia.com/wiki/Optic%C4%83_geometric%C4%83
http://www.slideboom.com/presentations/439264/optica_reflexie_bun
http://www.referat.ro/referate_despre/instrumente_optice_formule_40277.html
http://www.referat.ro/referate_despre/instrumente_optice_formule_2ab1e.html
etc
Adi1987 întreabă: