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!!!!!!!!!!! 7^2*(27^3:9^4+1) va rog mult !!!!!!!!!!!!!!!!!! 

Răspuns :

= 7^2 x ( (3^3)^3 : (3^2)^4 + 1) =
= 7^2 x (3^9 : 3^8 +1)=
= 7^2 x (3+1) =
= 49 x 4=196