Farm Arithmagons

The change from hunter gathering to settled agricultural societies happened around 12,000 years ago. Now much of our land is farmed whether it is for growing crops or raising animals for meat, eggs and products such as milk.

See if you can solve these four more difficult arithmagons.

The aim of an arithmagon is to work out which numbers go in the empty circles. The numbers in the square boxes are made by adding together the numbers in the circles either side.