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-37 Contortionism

It is impossible to put a finger in the nose, one in the anus and one in each ear simultaneously.

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Labels used for this DYK:
mathematiques(19) , sciences(77)

With a translation of Beri, Smile informs you that...
sciences mathematiques

Infinite number

0.9999999… (with an infinite amount of 9) equals 1.


Details:

Doubting ? Here is the mathematical proof:


1/3 = 0.333333...
Statement A: 3 x (1/3) = 3 x 0.333333...
Statement B: 3 x (1/3) = 1
A implies 3 x 0.333333... = 0.999999...
A = B implies 0.999999... = 1

Sources:
Wikipedia – 0.999

Note from the moderation team:
Not everyone had the opportunity to study mathematics, thus this DYK can astonish some of you (and it’s the purpose of any DYK).
Please take into consideration that we would not write this if it weren’t entirely true.
We wrote ”...” meaning “infinite”, thus 0.999999… = 1 as surely as 2 + 2 = 4.
Other mathematical proofs can be found in the source.


Amazing - So what ?


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