Question

2+2=4
3+3=11
4+4=18
6+6=?​

Answer 1

2+2 = 4

3+3 = 11 ( 3×3 = 9+2 = 11)

4+4 = 18 ( 4×4 = 16+2 = 18)

6+6 = 38 ( 6×6 = 36+2 = 38)

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Maybe,I'm not right but I think it's like this..

Hopefully I helped you ☺