Create a difference triangle using the numbers 4 - 15. Recall that in a difference triangle any value is the absolute difference of the two values directly above it.

Question

Here is a link to the figure needed to complete the problem. https://docs.google.com/document/d/1aI1FU_53UGBunVG6xPbicSUXOnsvEmE5yh-g3qn6oBQ/edit?usp=sharing

Answer 1

6 14 15 3 13

8 1 12 10

7 11 2

4 9

5

Solved by noting that 15, 14, and 13 needed to be in the top row.Two of them needed to be above the 1.