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[(9^2-2^4x5):1+5^9:(5^)^4]x2^2=

Răspuns :

=[(81-80):1+5''9:58]x2''2=(1:1+5''1)x2''2=6x4=24.(''-inseamna -la puterea ca nu-mi mai merge tastatura)
=[(81-16*5):1+5^9:(5^8)x4=[(81-80):1+5^9-8]x4=(1:1+5^1)x4=(1+5)x4=6x4=24