Question

Помогите решить 2 примера.
(4,1-0,42)+7=
-2,9-(3,11-0,49)=

Answer 1

4.1-0.42=3.68
3.68+7=10.68
3.11-0.49=2.62
-2.9-2.62=-5.52

Answer 2

(4,1-0,42)+7=3,68+7=10,68
-2,9-(3,11-0,49)=-2,9-2,62=-5,52