holikhace700 holikhace700 23-03-2021 Mathematics contestada Realiza las siguientes multiplicaciones a) (+27) ⋅ (+2) = b) (+12) ⋅ (−13) = c) (−10) ⋅ (+10) = d) (−56) ⋅ (+89) = e) (−100) ⋅ (−135) = f) (+553) ⋅ (+24) =
