perplexus.info :: Tricks : Point Ponder

Point Ponder (Posted on 2016-06-03)

Add precisely a single point and transform the relationship given below to an identity:

(7| + |)(7| - |) = 7|

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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Regular idea

Comment 2 of 2 |

Probably this is not the intended solution, but if we add the point at the end and interpret as a regular expression

7|"things"=7|.

But Ady's idea is better. Probably solution is

(71+1)(71-1)=7!

Edited on June 3, 2016, 5:37 pm

Posted by armando on 2016-06-03 16:00:33

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