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Merci c’est la question 70

Merci Cest La Question 70 class=

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Bonjour,

a) 10/3 + 8/9 = 30/9 + 8/9 = 38/9
b) 2/5 × 4/7 = 8/35
c) 3/2 + 3/4 × 7/3 = 18/12 + 21/12 = 39/12 = 13/4
d) 5/4 × (4/3 - 7/15) = 5/4 × (20/15 - 7/15) = 5/4 × 13/15 = 65/60 = 13/12
e) 1/2 ÷ (3/4 + 1/6) = 1/2 ÷ (9/12 + 2/12) = 1/2 ÷ 11/12 = 1/2 × 12/11 = 12/22 = 6/11