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8/19/2015 12:30:38 AM
16
How to make 9 + 10 = 21
[b][Caution: May include boring math stuff.][/b]
Perhaps you're the person repeating "9 + 10 = 21" on endless loop. Or maybe you're the reasonable human who's gotten tired of that nonsense. Either way, here's a math trick my friend and I figured out to actually make 9 + 10 = 21.
As you may know, we widely use base 10 mathematics. Our counting system goes as follows:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11... And so on.
We have 10 unique digits: 0-9. This is known as a radix, or base of 10. The Babylonian civilization used base 60, with 60 unique digits including 0.
In base 10, 9 + 10 = 19. But what if we wrote the answer in a different base to make it 21? We can do something interesting in base 9.
9 (in base 10) = 10 (in base 9)
10 (in base 10) = 11 (in base 9)
10 + 11 = 21 in base 9 just like base 10, so what we end up with is this:
9 + 10 (in base 10) = 21 (in base 9)
9 + 10 = 21
Thank you for reading.
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2 Replies9+10=21 (3x3)+(5x2)=9+10 (3x5)+(3x2)=15+6 15+6=21
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2 RepliesHoly crap
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Omg thank you
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3 Replies9 year old + 10 year old = 21 years in jail
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OLD MEME IS OLD!
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2 RepliesAnd you thought you knew math. Image from http://static.fjcdn.com/pictures/Pie...3.14.+Mother+of+god_494089_3782742.jpg.
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1 ReplyHexadecimal is master race.
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1 ReplyCube Cubed Cubed= the third power Third power=3 3= ||| / _ \ /_\ Illuminati confirmed
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2 Replies9 + 10 | | 3*3 5*2 | | 9 + 7 \ / 21
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2 RepliesI see where you're going, but 9 doesn't exist in base 9, so the equation doesn't make sense. It would be like writing 9 + ¥ =21 in base 10
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[i]While supplies last[/i] [i]Call now and get a free cherry popsicle with every purchase over $20[/i]
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He know
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1 ReplyA career as a videogame programmer beckons... :)
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1 Replyu stoopid
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I thought everything added up to 23 - that's what Jim Carrey told me
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3 RepliesSo you just redefined the numbers to force the result you wanted. Edgy. As. Phuck.
