Geodesic
Slovo kao nepoznata
Nastava matematike, XLIII (1998) no. 1-2, p. 28 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

Some ideas of introducing letter as an unkown at the primary stage is presented.
Classification : 00A35
Keywords: unknown variable 
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     author = {Vesna Vujovi\'c},
     title = {Slovo kao nepoznata},
     journal = {Nastava matematike},
     pages = {28 },
     publisher = {mathdoc},
     volume = {XLIII},
     number = {1-2},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_1998_XLIII_1-2_a2/}
}
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Vesna Vujović. Slovo kao nepoznata. Nastava matematike, XLIII (1998) no. 1-2, p. 28 . http://geodesic.mathdoc.fr/item/NM_1998_XLIII_1-2_a2/