Réponse :
bonjour
5/14 + 3 /7 x 5/2
= 5/14 + 15/14
= 20/14
= 10/7
40/42 = 20/21
20/80 = 2/8 = 1 /4
20/14 = 10/7
Explications :
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Réponse :
bonjour
5/14 + 3 /7 x 5/2
= 5/14 + 15/14
= 20/14
= 10/7
40/42 = 20/21
20/80 = 2/8 = 1 /4
20/14 = 10/7
Explications :