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Calcule l'expression A = 8x - 1 pour...

a. x = 1

b. x = 20

c. x = 7,5

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Question

Grade: Education Subject: mathematiques
Vous pouvez m’aider

Calcule l'expression A = 8x - 1 pour...

a. x = 1

b. x = 20

c. x = 7,5
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(109)

Réponse:

a. A=8x1-1=8-1=7

b. A=8x20-1=160-1=159

c.A=8x7.5-1=60-1=79