Simple Grids

⌘当前价格: 25
⌘支持系统: OS X 10.7.4
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⌘服务支持: 官方页面
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With „Simple Grids“ kids and adults can practice mental arithmetics (addition, multiplication) in the range from 0 to 900. When solving tasks with higher difficulty settings they also can improve their subtraktion and division skills.
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