# Let's settle our differences

Can you complete this grid and expose the existing relationships? There are no complex operations (e.g. no exponents, square roots, functions, etc), additionally the numbers are all natural numbers and all are less than 100.

This is my first puzzle; hope you enjoy!

So we notice that

A number and its top number sum to the left number, giving us:

 89 34 13  5
55 21  8  3
34 13  5  2
21  8  3  1

And we're done!

• Hopefully not too easy? Oct 3, 2021 at 19:45
• rot13(V fnj Svobanppv naq jrag sebz gurer :C) Might be a bit more difficult if you don't notice that right away.
– Avi
Oct 3, 2021 at 19:46
• Completely fair :) thanks for the feedback! Oct 3, 2021 at 19:47
• Equivalently, it's basically just rot13(gur Svobanppv frdhrapr ehaavat hc nygreangr pbyhzaf). Not really any calculations to perform...
– Stiv
Oct 3, 2021 at 21:20