價格：免費
更新日期：2017-12-26
檔案大小：1.5M
目前版本：2.0
版本需求：Android 4.2 以上版本
官方網站：mailto:138long3943@gmail.com
A math game, use 4 numbers to calculate to get the result of 24.
In a deck of cards, there are 1820 different combinations of 4 numbers. 458 different combinations of 4 numbers are unable to be calculated to get the result 24. You can check the 458 combinations in this app.
The app generate 4 numbers and you write the solution to make 24. If you are sure there is no solution you can choose "can't figure out".
In this app, you can also input 4 numbers to ask the app for a solution.