Răspuns :
e) (-2)^60 : [(-2)^25 • 2^30] : (-2)^5=
= 2^60 : (-2^25 • 2^30) : -(2^5)=
= 2^60 : -(2^55) : -(2^5)=
=- (2^5) : -(2^5)=1
= 2^60 : (-2^25 • 2^30) : -(2^5)=
= 2^60 : -(2^55) : -(2^5)=
=- (2^5) : -(2^5)=1