111,111,111 x 111,111,111 = 12345678987654321 - Hand Calculation

in MES Science2 years ago (edited)

In this video I do a hand calculation of a neat little pattern which is quite remarkable in that if you have 111,111,111 multiplied by itself you get the pattern 1 to 9 and then all the way back to 1.


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111, 111, 111 x 111, 111, 111 = 12345678987654321

111111111 x 111111111 calculator Resized AI.jpg

Hand Calculation

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Wow, I think I might have to re-watch this a few times so I won't ever forget. Interesting

 2 years ago  

Yup, quiet the fascinating calculation indeed!


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