1.
s-au adus in total :
24x32=768 piese
45x28=1260 piese
768+1260=2028 piese
s-au vandut in total:
15x32=480 piese
27x28=756 piese
480+756=1236 piese
au ramas nevandute :
2028-1236=792 piese
metoda 2
(24-15) ×32 = 288 piese
(45-27) ×28 = 504 piese
288+504=792 piese