Inlocuieste metoda de inmultire data prin cealalta metoda ca in modelul de mai josModel3 x 2 + 3 x 5 = 3 x (2 + 5) = 3 x 7 = 21 google_ad_client = "ca-pub-6177783005331193"; google_ad_slot = "3227929153"; google_ad_width = 336; google_ad_height = 280; Rezolvare4 x 5 + 4 x 2 = 4 x (5 + 2) = 4 x 7 = 288 x 3 + 8 x 4 = 8 x (3 + 4) = 8 x 7 =