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Sagot :

THEO

Bonjour,

B = 1/5 + 1/10

B = (1 × 2) / (5 × 2) + 2/10

B = 2/10 + 1/10 = 3/10

D = 7/3 - 1/6

D = (7 × 2) / (3 × 2) - 1/6

D = 14/6 - 1/6 = 13/6

Bonne journée !

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