谁说数学不能有趣又不可思议？您的旧数学书需要改头换面！玩得开心，使用鲜艳的色彩，时髦的图案，可爱的图像和闪亮的贴纸来添加自己的风格。不要忘记添加计算器！如果您的书看起来不错，那么掌握代数会容易得多。
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
