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Intervalo
To
: <
obm-l@xxxxxxxxxxxxxx
>
Subject
: Intervalo
From
: Fábio Arruda de Lima <
fabioarruda@xxxxxxxxxxxxxxxx
>
Date
: Wed, 18 Apr 2001 09:42:50 -0300
Reply-To
:
obm-l@xxxxxxxxxxxxxx
Sender
:
owner-obm-l@xxxxxxxxxxxxxx
Olá Galera,
(Olimpíada Britânica/92)
Sejam x,y e y números reais positivos, satisfazendo:
1/3 <= x*y + y*z + x*z <= 3
Lê-se <= (menor ou igual)
Determine o intervalo dos valores dê:
a) x+y+z
b) x*y*z
Valeu!
Fábio
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