[tex] 2^{74} : ( 2^{3} x 2^{70}) + 103x(2+2x102)= 2^{74} : 2^{73} + 103 x (2+204) = 2^{27-23 } + 103 x 206 = 2(1x2) = 2 x 2 = 4
[tex]2^{3} ( totul la a 3-a) : 2^{8} + 6^{2} : (2x 3^{2}) = 2^{9} : 2^{8} + 6^{2} : 6^{2} = = 2^{9-8} + 6^{2-2} = 2+6 = 8
La b nu sunt sigura.
