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Ce inseamna:
(AB), (AB, [AB, [AB], {AB, {AB}, (dB


Răspuns :

Pai paranteza patrata inseamna dreapta inchisa iar paranteza rotunda dreapta deschisa !!
(AB)-segment deschis
(AB-segment partial deschis
[AB]-segment inchis
[AB-segment partial inchis
{AB}-segment deschis/inchis
{AB-segment partial deschis/inchis
(dB-segmentul dreapta b deschis