Question

Помогите срочно
1)-2*(54-129)=
2) (6/5-3/4)*2/3=
3)1,54-0,5*1,3=

Answer 1

1)-2*(5)=-2*(-75)=150
2)(6/5-3/4)*2/3=(24/20-15/20)*2/3=18/60=3/10=0,3
3)1,54-0.5*1,3=1,54-0,65=0,89

Answer 2

1)-2*(54-129)=150
2)(6/5-3/4)*2/3=0,3
3)1,54-0.5*1.3=0.89