a) (45^54+1):(1+45^54)=1
observi ca 45^54+1=1+45^54 si doua numere impartite la acelasi numar=1
b) 26x31+26x68+26=806+1768+26=2574+26=2600
c) (1^0+2^0+3^0)x3^2-2^4=(1+1+1)x9-16=3x9-16=27-16=11
d) (3^5:3^3-2^6:2^3):4^0+5^2=(243:27-64:8):1+25=(9-8):1+25=1:1+25=1+25=26