Răspuns:
[tex]111^{4}[/tex]
Explicație pas cu pas:
[tex]333^{4} -80*111^{4} =\\(3*111)^{4} -80*111^{4} =\\3^{4} *111^{4} -80*111^{4} =\\3^{4} *37^{4} *(3^{4} -80)=\\3^{4} *37^{4} *(80-81)=\\3^{4} *37^{4} *1=\\111^{4}[/tex]