Question

14 : 2 + 5 . 3 =
37 - 4 . (3 + 5) =
3 . (8 - 4) : (2 + 1) =
3 + 5 . 2 =

Answer 1

1. 7+15= 22
2. 33•15= 495
3. 4:3= 1,3
4. 15•2=30

Answer 2

14 : 2 + 5 . 3 = 7 + 15 = + 22
37 - 4 . (3 + 5) = 37 - 4 . 8 = 37 - 32 = + 5
3 . (8 - 4) : (2 + 1) = 3 . 4 : 3 = 12 : 3 = + 4
3 + 5 . 2 = 3 + 10 = + 13

Espero que te sirva :)