Question

по действиям
70*(15-6)-(640:8):5+6*(72:2)

Answer 1

70*(15-6)-(640:8):5+6*(72:2) = 70*9 - 80:5 + 6*36 = 630 - 16 + 216 = 630 + 200 = 830;

Answer 2

$70*(15-6)-(640/8):5+6*(72/2)= \\ =70*9-16+6*36=630-16+216=614+216= \\ =830$