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Repedee!!!DAU COROANA! Problemele 10 si 11. !!

RepedeeDAU COROANA Problemele 10 Si 11 class=

Răspuns :

a+b+c= -60
b= a+1
C= b+1 = a+2
a+a+1+a+2= -60
3a+3= -60
3a= -57
a= -19
b= -18
C= -17