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A)-6+11+(-2)+(-2)=..
b) (3+5)+(-4)+(-2)+(-5)=... c) -94-17+(-70+81-1)= ... d)-6-[2+(-8)-1].... e)77-204+(245-475)-(41-242-156)... f)5-{2-[1-(-2)]}-6... g)-400-[-245+(185-6 100)] ....Urgent .. Va rog