What is 1+1?

Even Pre-kindergardeners know this. If you do not know this I suggest you retake Pre-K.

 This is not a site for spam and some of us have serious questions, So on behalf 0f most sensible people can you please Stop?

I vote for all problems that are posted on this site, goes through a 1+1 and 2+2 Captcha. I mean... Seriously.....