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Rezolvati asta va rog!
-7+(+3)=
12+(-3)=
21-(-3)+(+2)=
12-(+5)+3=
[-20-(-5)]-[16-(-3)-9]=
17-3-(-5)=
14-(-5)+1=
-5-(-3)+2-1=
41-9-32=
-80-4-26=
31-(-4) +(+5)