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Bonjour,

4)

A = 20/4+3/4 = 23/4

B= 2/3+12/3 = 14/3

C= 9/2-6/2 = 3/2

D= 17/5 - 15/5 = 2/5

5)

5/12+1/2 = 5/12+6/12 = 11/12

6)

2/5+3/10 = 4/10+3/10 = 7/10 ne sont pas des paysages de mer

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