Il y a une erreur au b)
b) (2/9+4/3) x (1/6+5/3)
MERCI A L'AVANCE
(2/9 + 4/3)(1/6 + 5/3)
(2/9 + 12/9)(1/6 + 10/6)
14/9 x 11/6
2x7/9 x 11/2x3 = 77/27
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(2/9 + 4/3)(1/6 + 5/3)
(2/9 + 12/9)(1/6 + 10/6)
14/9 x 11/6
2x7/9 x 11/2x3 = 77/27