Number Finding Quiz (Answer in comments)

Number Finding Quiz (Answer in comments)
Although it looks easy, it is difficult to find!!
Try the same number finding quiz!
We will strive to prevent dementia and exercise your brain with this fun number search quiz.
Effects on Cognitive Ability
Visual recognition skills: Develop the ability to quickly identify numbers or patterns.
Concentration: Problem solving requires sustained concentration.
Memory: Improves your ability to remember the location of numbers.
Solving strategies and tips
1. Practice scanning the array at a glance.
2. Look through the array in a certain pattern to quickly check the numbers.
3. Select the smallest number to see if there are equal numbers.
Find the next smaller number, then the next smaller number, and so on.