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- 4,430 번개달팽이
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- iOS 游戏: 智力游戏 来自: Igor Patrikeev
- 免费
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- 积分: 1 + 0 版本: 2.0 Puzzle helps to learn Cartesian coordinate system (x,y) and practice to calculate sums over the line (the very first step to understanding integration). Sound: switch Ring/Silent ... ⥯