9+10=21 is an incorrect answer to a math problem, which was first spoken online in a Vine video. The video, also known as "What's Nine Plus Ten," quickly became a fad within the Vine community, leading to remixes and other parody, and later spreading to …

What´s 9+10? 21 c:-Suscribete: https://goo.gl/SRP0hK-Mi extension: http://myapp.wips.com/androg-30-subscripores-app-Twitter: https://twitter.com/ea4b4905227d40f

2022年7月7日 · As the meme came back in 2019, the joke confused increasingly more people who were not in the know. While 9 plus 10 does not actually equal 21, it's simply fun to claim so as a reference to the meme. It's also an inventive way to distinguish a real human from a bot in online chats — try it out!

2023年6月18日 · 9+10 refers to a popular math problem that was turned into a viral meme on Vine. The Vine was created as a joke, depicting a young kid being filmed by someone older, presumably his brother, who tells the Youngin “You stupid.”

2024年6月7日 · 9+10 = 21 looks back at a Vine video of "21 Kid," a young boy who confidently and incorrectly answers a math question.

2024年6月10日 · One such sound effect is that of a little kid standing in a dimly lit room in shades evocative of 2016's Oscar Winner Moonlight, answering the question "What's 9 + 10" with "21" in a cadence that puts "Burger King Foot Lettuce" to shame. Here's how the clip became a meme staple over the course of the decade that followed.

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2023年10月11日 · 3.4M Likes, 37.3K Comments. TikTok video from Generis (@honestgiant): “😕”. 9+10 original video. When I ask my son what’s 9+10 and he says 19Untitled (Slowed & Reverb) - JOIE GREY.

2013年6月22日 · Vine, Meme, 21, 21 Kid, 9+10, Video, Youtube, 2013 Language English Item Size 1.7M

2019年5月28日 · 9 + 10 = 21. It is not true in the standard base 10 decimal system. But what if we modify the equation a bit with other number bases? Suppose the numbers on the left are in base x and the number on the right is in base y: (9 + 10) (base x) = 21 (base y)