Question

rezultatul calcului
{15+4×[8×2:4+12:6×(42:7:3+4×9:6)]} :(69-8×8)=
va rog urgent
dau coroana de aur

Answer 1

{15+4×[8×2:4+12:6×(42:7:3+4×9:6)]} :(69-8×8)=
{15+4 x [4 + 2 x (2 + 6)]} : 5 = 
[15 + 4 x (4 + 16)]:5=
(15 + 80) : 5 = 
95 : 5 = 19