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# Have you ever wondered what $$9+27$$ equals?

In this AoPS thread you can find multiple extremely fast ways to calculate $$9+27$$. http://www.artofproblemsolving.com/Forum/viewtopic.php?f=224&t=572612

I've used this thread multiple times to prepare for AIME, so I would recommend you guys check it out.

You can post your favorite way to calculate $$9+27$$ in the comments below if you want.

Have fun! ^_^

Note by Daniel Liu
3 years, 8 months ago

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$$9*4 = 36$$ ....Definitely my favorite :D

- 3 years, 8 months ago

36 ..........

27 + 10 -1

37-1

36

- 3 years, 8 months ago

Yes, me too!

- 3 years, 8 months ago

7*2=14+2+20 really fast in my mind

- 3 years, 7 months ago

First i add 3 to 27 that makes 30 then i add remaining 6 to it

- 3 years, 7 months ago

3^2+3^3=36

- 3 years, 8 months ago

9 * 3^3 =36

- 3 years, 8 months ago