Réponse :
bonjour ,
C = 3/8 - 1/4 - 3
= 3/8 - 1×2/4×2 - 3/1
= 3/8 - 2/8 -3×8/1×8
= 1/8 - 24/8
= -23/8
voila:)
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Réponse :
bonjour ,
C = 3/8 - 1/4 - 3
= 3/8 - 1×2/4×2 - 3/1
= 3/8 - 2/8 -3×8/1×8
= 1/8 - 24/8
= -23/8
voila:)