(0,817+0,483)×60×(-0,5);

Question

(0,817+0,483)×60×(-0,5);

Answer 1

1,3*60*(-0,5) = 78* (-0,5)= -39.

Answer 2

(0,817+0,483)х60х(-0,5)= 1,3х60х(-0,5)= 1,3х(-30)= -39