<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span>Se você arredondar o seu objeto "porc" para 3 digitos, terás 20,455 para a letra a. Não sei porque cargas d'água o R arredonda para 20,45, pois aprendi na escolinha e segundo o wikipedia também, o correto seria arredondar este número para 20,46. Fazendo isso, o seu problema fica resolvido.</span></div><div><br><span></span></div><div>(S,f,P)</div><div>Allaman<br><span></span></div><div><span><br></span></div><div> </div><div style="background-color: transparent;" align="center"><font style="background-color: transparent;" face="comic sans ms" size="2"><font size="1"><b><br></b></font></font></div><div style="text-align: left; background-color: transparent;" align="center"><font style="background-color: transparent;"><font face="courier, monaco, monospace, sans-serif" size="2">\begin{signature}</font></font></div><div
style="text-align: left; background-color: transparent;" align="center"><font style="background-color: transparent;"><font face="courier, monaco, monospace, sans-serif" size="2"><<>>=</font></font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span" face="courier, monaco, monospace, sans-serif" size="2">Prof. Dr. Ivan Bezerra Allaman</font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span" face="courier, monaco, monospace, sans-serif" size="2">Universidade Estadual de Santa Cruz</font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span" face="courier, monaco, monospace, sans-serif" size="2">Departamento de Ciências Exatas e Tecnológicas</font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span"
face="courier, monaco, monospace, sans-serif" size="2">Ilhéus/BA - Brasil</font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span" face="courier, monaco, monospace, sans-serif" size="2">Fone: +55 73 3680-5076</font></div><div style="text-align: left; background-color: transparent;" align="center"><font class="Apple-style-span" face="courier, monaco, monospace, sans-serif" size="2">E-mail: ivanalaman@yahoo.com.br/ivanalaman@gmail.com</font></div><div style="text-align: left; background-color: transparent;" align="center"><font style="background-color: transparent;"><font face="courier, monaco, monospace, sans-serif" size="2">@</font></font></div><div style="text-align: left; background-color: transparent;" align="center"><font style="background-color: transparent;"><font face="courier, monaco, monospace, sans-serif" size="2">\end{signature}</font></font></div></div></body></html>