Geodesic
O różnych sposobach definiowania wartość bezwzględnej
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia, Tome 2 (2009) no. 1, pp. 29-36.

Voir la notice de l'article provenant de la source Library of Science

In this article we present some didactic ideas of introducing theabsolute value of a real number by means of functional equations and aninequality. The basic properties of the absolute value of a real number arewritten as functional equations and an inequality. The function "absolutevalue" is a solution of a suitable functional equation or an inequality. 
@article{AUPCDM_2009_2_1_a2,
     author = {Chronowski, Antoni and Major, Joanna and Pow\k{a}zka, Zbigniew},
     title = {O r\'o\.znych sposobach definiowania warto\'s\'c bezwzgl\k{e}dnej},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {29--36},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2009},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a2/}
}
TY  - JOUR
AU  - Chronowski, Antoni
AU  - Major, Joanna
AU  - Powązka, Zbigniew
TI  - O różnych sposobach definiowania wartość bezwzględnej
JO  - Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia
PY  - 2009
SP  - 29
EP  - 36
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a2/
LA  - pl
ID  - AUPCDM_2009_2_1_a2
ER  - 
%0 Journal Article
%A Chronowski, Antoni
%A Major, Joanna
%A Powązka, Zbigniew
%T O różnych sposobach definiowania wartość bezwzględnej
%J Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia
%D 2009
%P 29-36
%V 2
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a2/
%G pl
%F AUPCDM_2009_2_1_a2
Chronowski, Antoni; Major, Joanna; Powązka, Zbigniew. O różnych sposobach definiowania wartość bezwzględnej. Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia, Tome 2 (2009) no. 1, pp. 29-36. http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a2/