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Sagot :

ANASAG

Réponse:

Exercice 3 :

a) 7/2 + 3/10

= 35/10 + 3/10

= 38/10

= 19/5

b) 5/6 - 5/36

= 30/36 - 5/36

= 25/36

c) 3/7 + 6

= 3/7 + 42/7

= 45/7

d) 48/55 - 1/5

= 48/55 - 11/55

= 59/55

e) 9 - 17/20

= 180/20 - 17/20

= 163/20

f) 15/56 + 9/7

= 15/56 + 72/56

= 87/56

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