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Sagot :

[tex] \frac{4\times \frac{1}{3}-4 }{2\times \frac{1}{3}+1 } = \frac{ \frac{4}{3} - \frac{12}{3} }{ \frac{2}{3}+ \frac{3}{3} } = \frac{ \frac{-8}{3} }{ \frac{5}{3} } = \frac{-8}{3}\times \frac{3}{5} = \boxed{\frac{-8}{5} } [/tex]

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