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Guess Birthday Trick: How To

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Uploaded by on Apr 29, 2011

A cool math trick to unleash on the unsuspecting... or something like that.

it can be expanded to add the year... but i didn't want to explain that...

if it doesn't work... sorry your math is wrong (or theirs) that why i said use a calculator (to help calm human error)

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Howto & Style

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Standard YouTube License

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Uploader Comments (TheGolemlord)

  • i have a video of my own that is almost like this but the final result should give you the birth month, day, and year. EX:10/22/02 (yes i did this on my bday) i'm 9 years today even though my [age says i'm 14

  • @sherrifjam917 yes but that adds more steps and more room for human error

  • im born in 93, it said i was born in 75, wrong....

  • @Drivingkyle try again... make sure you use a calculator

Video Responses

This video is a response to Cool Math Trick (I know your phone number)
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All Comments (14)

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  • it got the day i wuz born right but the month wrong

  • it got my birday right but the year i wuz born wrong

  • that didn't work, I got a 5 digit number and I did the whole thing correctly and double checked it.

    And I used a very good calculator.

    Explain this to me.

  • i have a video of my own that is almost like this but the final result should give you the birth month, day, and year. EX:10/22/02 (yes i did this on my bday)

  • i did my birthday and i got -27????

  • it didnt workk

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