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Re: [obm-l] Função
- To: obm-l@xxxxxxxxxxxxxx
- Subject: Re: [obm-l] Função
- From: "Marcelo Salhab Brogliato" <msbrogli@xxxxxxxxx>
- Date: Mon, 24 Sep 2007 15:02:36 -0300
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Olá Bruna,
veja que:
se f(1) = 1, temos 3 opcoes para f(2)...
se f(1) = 2, temos 2 opcoes para f(2)...
se f(1) = 3, temos 1 opcao para f(2)..
entao, temos: 6 funcoes de A para B crescentes (a>b sss f(a)>f(b))
note que a soma é sempre 4... isso pode ajudar a resolver problemas maiores..
abracos,
Salhab
On 9/24/07, Bruna Carvalho <bruna.carvalho.pink@gmail.com> wrote:
> Sejam A = {1, 2} e B = {1, 2, 3, 4} quantas funções de A para B são
> crescentes ?
> --
> Bjos,
> Bruna
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