3,6,9 3+3=6 6+6=12 1+2=3 All other numbers equal 9. 1+2+3+…

Twetch ·

3,6,9
3+3=6
6+6=12 1+2=3

All other numbers equal 9.
1+2+3+4+5+6+7+8=36 3+6=9