Răspuns:
1.
[tex] {9}^{3} - {3}^{4} = 648 \\ [/tex]
[tex] {2012}^{1} + {1}^{2012 = 4024} [/tex]
[tex] {25}^{0} \times {0}^{25} = 0[/tex]
[tex](5 - 2) {3} = 27[/tex]
2.