Question

-778+(-354)=
-7,08+(-4,39)=
-366+(-278)=
99,9+(-7,77)=

Answer 1

1)-1132
2)-11.47
3)-664
4)92.13

Answer 2

-778+(-354)=-1132

-7,08+(-4,39)=-11,47

-366+(-278)=-644

99,9+(-7,77)=92,13