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Aflati doua numere naturale stiind ca suma lor este 13 .DISCUTIE
VAAA OGG AJUTORR VA DAU CORONITAAA <3 SII MIII DE MULTUMIRIIIII


Răspuns :

a+b=13
a=,1,2,3,4,5,6,7,8,9,10,11,12
b=12,11,10,9,8,7,6,5,4,3,2,1,
a∈{0,1,2,3,4,5,6,7,8,9,10,11,12,13}
b∈{13,12,11,10,9,8,7,6,5,4,3,2,1}