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       <dc:date>2026-05-12T16:33:51+00:00</dc:date>
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        <title>toc</title>
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        <description>Fonctions
p(x)=x^2

Dérivée
v(x)=Dérivée[p]


Intégrale
p(x)=Intégrale[v]
Si
Si[Condition,Objet a,Objet b]

Exemple, pour une fonction :
Si[x &gt; 0, 10 sin(60 x)]

Si imbriqués :
Si[x &gt; 5, -1, Si[x &gt; 3, -2 x + 9, Si[x &gt; 1, 0.5 x + 1.5, Si[x &gt; 0, 2 x]]]]</description>
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