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9+10=21

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About the 9+10=21 sound

'What's nine plus ten?' 'Twenty-one.' The most famous incorrect arithmetic in internet history, delivered in 2013 by a kid who never once wavered and never once corrected himself. Unshakeable confidence is the entire reason it survived: a hesitant wrong answer is nothing, a certain one is comedy. It became a founding text of Vine humour and has outlived the app that produced it by years. Use it to respond to any question where the correct answer is not going to be provided. Still funny. Still wrong. Still twenty-one.

OriginFrom the legendary 2013 Vine, the internet's favourite wrong answer.

Tags

  • #9-10-21
  • #vine
  • #math
  • #classic

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<iframe src="https://bleepboard.com/embed/nine-plus-ten/"
  title="9+10=21 sound button" loading="lazy" frameborder="0"
  width="420" height="88"
  style="border:0;width:100%;max-width:420px;height:88px"></iframe>
<p><a href="https://bleepboard.com/sound/nine-plus-ten/">9+10=21 sound button</a> on Bleepboard</p>

Please keep the credit line under the player. It is the only part search engines can see, and it is the whole reason we can give this away.

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