Bonjour, Voici deux copie d'élèves.
Allison = 6/15x5/4=30/60=3/6=1/2
Pablo= 6/15x5/4=3x2x5x1/3x5x2x2= 1/2
Ces calculs sont-ils corrects ?
Expliquer les méthodes d'Allison et de Pablo
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