브레인넘버 : 마이너스, 숫자게임

A simple but fun and brain-building number game. [How to play] It is a game that makes the displayed challenge number zero by pressing the numbers listed. If the challenge number is 100, it is a simple game to make the challenge number 0 by pressing 10, 20, 5, etc. in succession. [Game effect] Improving number mental arithmetic skills dementia prevention brain brain