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Babylon Numbers

Can you make a hypothesis to explain these ancient numbers?

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Ishango Bone

Can you decode the mysterious markings on this ancient bone tool?

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White Box

This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.


Stage: 4 Challenge Level: Challenge Level:1

How does the sum of the numbers at the edges relate to the sum of the numbers at the vertices?  

It might help to label the numbers at the vertices $A$, $B$ and $C$ and then express the edge numbers in terms of $A$, $B$ and $C$.