At first glance, this puzzle looks completely wrong:
- 6 + 4 = 210
- 9 + 2 = 711
- 8 + 5 = 313
- 5 + 2 = 37
- 7 + 6 = ???
If you try to solve it using normal addition, nothing makes sense. But that’s exactly the point. This puzzle is designed to break your привычка of thinking in standard arithmetic and force you to look for a hidden pattern.
Let’s decode it step by step.

1. The Key Insight: It’s Not Regular Addition
The equals sign here doesn’t mean “sum” in the traditional way.
Instead, each result is actually a combination of two numbers.
Look closely at the pattern:
The result = (difference of the two numbers) followed by (sum of the two numbers)
2. Test the Pattern
Example 1:
6 + 4
- Difference: 6 − 4 = 2
- Sum: 6 + 4 = 10
→ Combine → 210
✔ Matches the puzzle
Example 2:
9 + 2
- Difference: 9 − 2 = 7
- Sum: 9 + 2 = 11
→ Combine → 711
✔ Correct again
Example 3:
8 + 5
- Difference: 8 − 5 = 3
- Sum: 8 + 5 = 13
→ Combine → 313
✔ Still consistent
Example 4:
5 + 2
- Difference: 5 − 2 = 3
- Sum: 5 + 2 = 7
→ Combine → 37
✔ Works perfectly

3. Now Solve the Final One
7 + 6
- Difference: 7 − 6 = 1
- Sum: 7 + 6 = 13
→ Combine → 113
4. Final Answer
👉 7 + 6 = 113
5. Why This Puzzle Tricks You
This puzzle plays with your brain because:
1. It breaks expectations
You see “+” and immediately think of standard addition.
2. It hides the pattern in plain sight
The logic is simple—but not obvious at first glance.
3. It tests flexible thinking
You have to step outside привычный thinking and look for structure, not rules.
6. What This Puzzle Teaches
Beyond the answer, this puzzle highlights something important:
- Not every problem follows standard rules
- Patterns matter more than formulas in some cases
- Creativity is just as important as logic
This is exactly how many real-world problems work—you don’t always get a clear formula, but you can still find a pattern.

Final Take
This isn’t just a math puzzle - it’s a thinking exercise.
- It challenges assumptions
- Rewards observation
- Forces you to rethink what “equals” means
And once you see the pattern, it suddenly feels obvious.
That’s the magic of a good puzzle:
👉 Confusing at first… but satisfying when it clicks.