Sometimes a simple equation is enough to transport us back to our school days. Remember those slightly complicated homework problems that made us grimace… or smile, especially for those of us who are more adept at math! These days, these kinds of challenges are experiencing a renaissance on social media. And surprisingly, they’ve become as popular as Sunday crosswords!
Calculator-Free Challenge: Trust Your Memory!
Today’s challenge: a seemingly simple equation, but one that can be solved without the aid of your trusty calculator. The goal? To get your brain working, just like when you were learning the order of operations.

Solving these types of problems is not only a pleasant repetition, it is also a very effective way to stimulate memory, logic and attention.

An equation that stops more than one quick mind

Ready? Here’s the equation:
50 + 50 – 25 × 0 + 2 + 2 = ?

So what did you get? If your first instinct was to read from left to right and add everything up… wait! These types of calculations follow very specific rules. And this is often where the trap lies.