Test your knowledge ahead of the 2023 New Year as Gergely Dudás, a graphic artist from Budapest, Hungary, shares a coffee cup math puzzle. Can you solve it?

In this math problem illustrated by Gergely Dudás, a cartoon bear sits in front of a fill-in-the-blank equation, which requires figuring out which symbols go between the four numbers.

This Math Brain Teaser Is WAY Harder Than It Looks — Can You Figure It Out? By Victoria Messina. Updated on May 16, 2018 at 9:03 AM. I never shy away from a good ol' brain teaser.