快速选择显示的方程式是对还是错。您将看到一个简单的方程式（基本算术），并且在有限的时间内选择对与错。每个正确答案都会为您赢得一个分数，而最终分数则取决于正确答案的数量。如果您选择错误或时间用完，您将会迷失方向！如前所述，一开始看起来可能很简单，但是随着您的进步，它将变得更加困难。请享用！
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:
