Réponse:
voici la réponse
Explications étape par étape:
ex1: perimetre= (2k+1)×4
ex2: perimetre=(3t)×2+12×2
ex3:a)
perimetre=2n+3+n+n+2+n+n+1+2n
=8n+6
b)perimetre=8×2+6=16+6
=22
c) perimetre =8×8+6=64+6
=70
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Réponse:
voici la réponse
Explications étape par étape:
ex1: perimetre= (2k+1)×4
ex2: perimetre=(3t)×2+12×2
ex3:a)
perimetre=2n+3+n+n+2+n+n+1+2n
=8n+6
b)perimetre=8×2+6=16+6
=22
c) perimetre =8×8+6=64+6
=70