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A square within a triangle (Posted on 2016-07-20) Difficulty: 2 of 5
An interior number in Pascal's triangle is surrounded by 6 integers.

Prove that the product of these numbers is always a square of an integer.

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
solutionarmando2016-07-20 09:58:47
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