Explicație pas cu pas:
poza....................
[tex]2^3-[(2^4)^5:8^6\times 16-3^{27}:27^9]:3^2\\2^3-(2^{20}:2^{18}\times 2^4-3^{27}:3^{27}):3^2\\2^3-(2^6-1):3^2\\2^3-63:3^2\\2^3-63:9\\2^3-7\\8-7=1[/tex]
