Question

5*(1/2) в квадрате-16*1/5

Answer 1

54-165=(25-64)20=-3920=-1 1920

Answer 2

5*(1/5) в квадрате-16*1/5

Answer 3

5*(1/2)²-16*1/5=5*(1/4)-16/5=5/4 -16/5=25/20 -64/20=-39/20=-1 19/20