A = (7 – 5) + (2-3) -(-7 +5)
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Sagot :

Bonjour

A = (7 – 5) + (2-3) -(-7 +5)

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

A = 2 - 1 + 2

A = 4 - 1

A = 3.