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Sagot :

Réponse :

E = [tex]\frac{6}{11}[/tex] + [tex]\frac{4}{11}[/tex] = [tex]\frac{10}{11}[/tex]

F = [tex]\frac{8}{9}[/tex] - [tex]\frac{13}{9}[/tex] = - [tex]\frac{5}{9}[/tex]

G = 4/10 = 2/5

H = -(8/12) = -(2/3)

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