Advanced Real world

Analyze the patterns and solve the equations!

1) Solve
66+55=
2) Solve
42+88=
3) Solve
81+17=
4) Solve
98+13=
5) Solve
71+33=
6) Solve
53+63=
7) Solve
72+55=
8) Solve
40+60=
9) Solve
56+97=
10) Solve
30+9=
11) Solve
18+62=
12) Solve
6+6=
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