Question

Niech ktoś pomoże już 2 razy mi ktoś usuną pytanie (−5) ∙ (−7) = (−3) ∙ 7 = (−2) ∙ (−2) =
(−21) ∶ 7 = (−4) ∶ (−2) = 45 ∶ (−9) =
4 ∙ (−6) = (−1) ∙ (−5) = (−4) ∙ 8 =
15 ∶ (−3) = (−6) ∶ 2 = (−56) ∶ (−8) =