Mathematics

Paxton Avila

4 March, 00:15

Pe multimea numerelor reale se defineste legea de compozitir asociativa data de x * y = x + y - 2

a) calculati 5 * (-5)

b) aratati ca legea de compozitir * este comutativa

c) calculati (-3) * (-2) * (-1) * 012*3

+3

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