Oblicz. Sprawdź, czy wśród otrzymanych wyników jest sześć liczb ujemnych.

Uzupełnij schemat pod przykładami.

a) (–5) ∙ 7 = 11 ∙ (–3) = (–5) ∙ 7 =

b) (–5) ∙ (–3) = 2 ∙ (–5) ∙ 7 = 3 ∙ (–5) =

c) 4 ∙ (–4) = (–5) ∙ 2 ∙ (–7) = (–8) ∙ (–9) =

d) (–3) ∙ (–8) = (–2) ∙ (–3) = (−2) ∙ (−8) =