a)
(2²-3) la puterea 100 + 5:[3²-4·(3¹-3 la puterea 0)]·1 la puterea 2013=
1^100+5:[9-4(3-1)]=
1+5:(9-4×2)=
1+5:1=6
b)
21²-2·{11²+21:(2-1)+2·[1+2³·(1+2)+2 la puterea 4-2¹]}=
441-2×[121+21:1+2×(1+8×3+16-2)]=
441-2×[121+21+2×(1+24+14)]=
441-2×(142+2×39)=
441-2×(142+78)=
441-2×220=
441-440=1
