Let's try to remember as many as possible.You have a good memory or bad memory.And you must have no incorrect.注意使用時間,避免遊戲沉迷本遊戲部分內容或服務可能需要另行支付其他費用免費玩Go …
The game gives simple two digit addition/ subtraction operations to its player. The player can choose between three levels - Easy, Medium and Hard. Re …