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Sagot :

NBA10

Réponse :

bonjour,

8/7 × 2/7 = 16/49

8/7 + 2/7 = 10/7

7/8 ×7/2 = 49/16

7/8+7/2 = 7/8 + 7×4/2×4 = 7/8 + 28/8 = 35/8

voila:)

LELEKA216

Réponse :

Bonsoir,

a) 8/7* 2/7 = (8*2)/( 7*7)= 16/ 49

b) 8/7+ 2/7= (8+2)/7= 10/7

c) 7/8*7/2= (7*7)/ (8*2)= 49/16

d) 7/8+ 7/2= 7/8+ 28/8= 35/8

J'espère t'avoir aidé :)

 

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