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Heisemberg Zukowsvisck

Algumas duvidas de funções

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Heisemberg Zukowsvisck

Olá, eu preciso de ajuda para resolver alguns problemas bem basicos, sao eles:1

1)Como inverter uma ordem de números? exemplo entrada: 123 // saída :321

2)Transformar apenas uma letra x qualquer em maiúscula  e todas as outras em minusculas? exemplo apenas a letra T maiúscula entrada: HarRy PotteR // saída: harry poTTer

3)Como trocar x por y e vice versa? exemplo entrada: y = -17x^2 + 2x - 6 // saída: x = -17y^2 + 2y - 6

 

É isso obrigado a todos.

Edited by Heisemberg Zukowsvisck

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