Question

8-(9-5)
(15+2)-4
(19-5)+2

Answer 1

Ответ:

8-(9-5) =4

(15+2)-4=12

(19-5)+2=16

Answer 2

8-(9-5)=4

9-5=4

8-4=4

(15+2)-4=13

15+2=17

17-4=13

(19-5)+2=16

19-5=14

14+2=16