buna ...va rog urgeeenttt dau corooaanaa
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4+(-2)+(-4) = 2+(-4) = -2
5+(-4)+(-6)+9 = 1+(-6)+9 = (-5)+9 = 4
7+(-6)+(-1)+8+(-8) = 1+(-1)+8+(-8) = 0+8+(-8) = 8+(-8) = 0
-8-(-6)-(-2) = (-2)-(-2) = 0
5+(-7)-(-4)-(-4) = -2-(-4)-(-4) = 2-(-4) = 6
3+(-2)+(-4+3) = 3+(-2)+(-1) = 1+(-1) = 0