👤

2. Efectuează: [(2 + 4) * (6 + 8) - 10 + 11] + [(9 x 7 + 5): (3 + 1)]* 5 =​

Răspuns :

[(2+4)*(6+8)-10+11]+[(9x7+5):(3+1)]*5=
(6*14-10+11)+[(9x7+5):(3+1)]*5=
(84-10+11)+ [(9x7+5):(3+1)]*5=
85+ [(9x7+5):(3+1)]*5=
85+ (68:4)*5=
85+17*5=
85+85=170