[tex]{ 2020 }^{ 1 } + { 1201 }^{ 7 } - { 2019 }^{ 0 }[/tex]
[tex]2020+1201^{7}-2019^{0} [/tex]
[tex]2020+3604135015356510248401-2019^{0} [/tex]
[tex]3604135015356510250421-2019^{0} [/tex]
[tex]3604135015356510250421-1 [/tex]
[tex] = 3604135015356510250420 [/tex]
Sper ca ti-am fost de folos. Succes!!!