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B = 5 – ((12 + 5 - 11) - (7 + 1))
svpp aider moiii


Répondre :

[tex]bonjour \\ b = 5 - ((12 + 5 - 11) - (7 + 1)) \\ b = 5 - (6 - 8) \\ b = 5 - ( - 2) \\ b = 5 + 2 \\ b = 7[/tex]

a = (7 - 5)(2 - 3) - ( - 7 + 5)

a = 2 + ( - 1) - ( - 2)

a = 2 - 1 + 2

a = 3