Вычислите 1 8/11+2 2/19*(1 4/5-2 3/4)

Question

Вычислите 1 8/11+2 2/19*(1 4/5-2 3/4)

Answer 1

1 4/5-2 3/4=9/5-11/4=36/20-55/20=-19/20
2 2/19*(-19/20)=40/19*(-19/20)=-40/20=-20
1 8/11+(-20)=-18 3/11