两位数是您可以免费播放的数学游戏之一。简单，极简主义和困难。两位数字是完美的疯狂和幸福的融合。使用鼠标和您的数学技能来玩这款游戏。添加和减去给出的数字，然后单击正确的答案。通过添加或减去给定的数字来提高您的数学技能。玩得开心！
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:
