awaka6403 awaka6403

24-05-2023
Mathematics

contestada

Kévin a fait cet exercice :<< Développer et réduire l'expression suivante : A= 5 x (2x x 4).>>
5 x (2x 4)= 5 x 2x x 5 x 4 = 200x
Est- elle correcte ? Si oui, justifier chaque étape du calcul effectué ; si non , le prouver puis résoudre l'exercice.

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