トムの算術

version 1.0.2

This is a four-digit arithmetic operation and fill all the spaces to get 24 digital games, it can test human intelligence and mathematical sensitivity. For example, the game gives you four numbers(2, 12, 4, 6), we can get the final result(24) of the game through such mathematical operations ((2 12) 4) 6. 1, restoration bug 2, updated UI interface