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            <video:description>Pour convertir en degrés Fahrenheit une température donnée en degrés Celsius, il suffit de la mulitplier par 9/5 puis d&#39;additionner  32. On utilise la formule F = 9/5C + 32, où C est la  température donnée en degrés Celsius et F la  température donnée en degrés Fahrenheit. Pour convertir en degrés Celsius une température donnée en degrés Fahrenheit, on urilise la formule  C = 5/9(F - 32).</video:description>
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