Archery Arithmagons

Archery has a long history. The first bow and arrow are thought to date back around 10,000 years. Originally archery was used for combat and hunting. Today archery is a sport. It has been an Olympic event on and off since 1900.

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.