SOLUTION: 2+2=5 3+3=8 4+4=11 then 9+9=what? Please solute this

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Question 890359: 2+2=5
3+3=8
4+4=11
then
9+9=what?
Please solute this

Answer by Disciple(1)   (Show Source): You can put this solution on YOUR website!
26
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