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        <lastmod>2021-06-05T05:02:58Z</lastmod>
        
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            <Attribute name="title">Des fractions dont le numérateur ou le dénominateur sont des fractions</Attribute>
            <Attribute name="description">Il s&#39;agit de simplifier une fraction rationnelle dont le numérateur ou le dénominateur est aussi une fraction rationnelle.</Attribute>
            <Attribute name="author">Justin Helps</Attribute>
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