801,4 + (74 - 525,35 : 79) * (64,4 - 6,88 : 8,6)

801,4 + (74 - 525,35 / 79) * (64,4 - 6,88 / 8,6)=5084,86525,35/79=6,6574-6,65=67,356,88/8,6=0,864,4-0,8=63,667,35*63,6=4283,46801,4+4283,46=5084,86