Question

Ex 1 ! Va rog! !! Repedee! ! COROANA

Answer 1

a)$5^3-2^4=125-16=109 \\ 5^2*2^2=(5*2)^2=10^2=100 \\ 123^0- 1^{2012}=1-1=0 \\ (2+9)^2=11^2=121$

Answer 2

se calculeaza doar
1 la orice putere e 1, orice numar la puterea 0 e 1 (inafara de 0)