Question

07. Faça as multiplicações: a) (+ 7) . (+ 8) = g) (– 6) . (– 4) = b) (– 7) . (– 8) = h) (– 5) . (+ 9) = c) (+ 7) . (– 8) = i) (+ 4) . (– 8) = d) (– 7) . (+ 8) = j) (– 9) . (+ 9) = e) 5 . (– 1) = k) 7 . (– 6) = f) 2 . (+ 8) =

Answer 1

Resposta:

Boa sorte............