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how is this possible?

how is this possible? | WHATS 9+10; UHHHH; UHHHH; NOT 21 | image tagged in memes,expanding brain | made w/ Imgflip meme maker
192 views Made by hailmemes 7 years ago in fun
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Expanding Brain memeCaption this Meme
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WHATS 9+10; UHHHH; UHHHH; NOT 21