Mathématiques

Question

A = (7 – 5) + (2-3) -(-7 +5)
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1 Réponse

  • Bonjour

    A = (7 – 5) + (2-3) -(-7 +5)

    A = 2 + (- 1) - (- 2)

    A = 2 - 1 + 2

    A = 4 - 1

    A = 3.

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