Few tasks send shivers up more spines than a math problem. Expunge your fears by cracking these puzzles dubbed “Sums” by their creator, engineer Gordon Burgin.
A small set of rules:
The numbers in each sector of the above circle, square, and star equal the sum of the numbers in the circles that border them. Easy enough, right? A few more caveats: The numbers in the small circles can be only 0 through 9, and each digit can appear only once. (The most common solution is linked below, but other solutions might exist.) To view a large version of the puzzles: Click Here To view the answers to the puzzles: Click Here
This story appeared in the Fall 2018 issue of Popular Science.
