Răspuns:
[tex]\color{red}\boxed{\boxed{18}}[/tex]
Explicație pas cu pas:
Salut :)
[tex]\bf ({3}^{6})^{7} ÷ {3}^{39} - {3}^{2}[/tex]
[tex]\bf {3}^{6×7} ÷ {3}^{39} - {3}^{2}[/tex]
[tex]\bf {3}^{42} ÷ {3}^{39} - {3}^{2}[/tex]
[tex]\bf {3}^{42-39} - {3}^{2}[/tex]
[tex]\bf {3}^{3} - {3}^{2}[/tex]
[tex]\bf 27 - 9 [/tex]
[tex]\bf 18 [/tex]
Succes :)
