(-1/2)*(+1/2)= -1*(+3/5)= 5/6*(-0.3)= (-1/2)*0,5= -4/5*3= 8*(-3/4)= (+1)*(-5/9)=...

Question

(-1/2)*(+1/2)=
-1*(+3/5)=
5/6*(-0.3)=
(-1/2)*0,5=
-4/5*3=
8*(-3/4)=
(+1)*(-5/9)=
(-7,8)*(-5.9)=

Answer 1

1)-0,25
2)-0,6
3)-0,25
4)-0,25
5)-2,4
6)-6
7)-0,555...
8)46,02