Addition and subtraction jursoft遊戲2014-11-03 價格:免費更新日期:2014-11-03檔案大小:1.8M目前版本:1.0版本需求:Android 4.0 以上版本官方網站:mailto:jursoftapp@gmail.comNumbers game for kids - Addition - Subtraction - The choice of the level of difficulty - Easy to use- For free