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Sagot :

A) Multiple de 9 : 9, 18, 27, 36, 45, 54, 63
B) Multiple de 12 : 
12, 24, 36, 48, 60, 72, 84
C) Je sais pas
D) 
[tex] \frac{4}{9} + \frac{5}{12} = \frac{16}{36} + \frac{15}{36} = \frac{31}{36} [/tex]

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