Question

12-(3+5)=
4+(9+0)=
16-(7-3)=
9+(9-7)=

Answer 1

12-(3+5)=4
4+(9+0)=13
16-(7-3)=12
9+(9-7)=11

Answer 2

12–(3+5)=12–8=4

4+(9+0)=4+9=13

16–(7–3)=16–4=12

9+(9–7)=9+2=11