加减乘除24 app for iPhone and iPad 4.0 ( 0 ratings ) Games Education Card Trivia Developer: cong shen Free Current version: 1.0.2, last update: 7 years ago First release : 10 May 2017 App size: 0 Bytes 通过提供的四张纸牌，把纸牌上的数字，运用加减乘除四种运算法则进行计算，所得结果为24。