你可以下载《数学复习》PDF，而且你还可以看到完整的写作话题库，考试当天你遇到的任务都是从中提取的。
You can download a Math Review PDF, and you can also see the complete pool of essay topics from which your assignment will be drawn on test day.
内容形式有讲义、题库、字典、复习卡、音频和视频等等，下载量在不到半年的时间突破20000份，并还在以每天100份以上的速度增长。
The number of downloads has exceeded 20,000 although the apps have only been live for less than half a year, and is still increasing at the speed of more than 100 per day.
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