如果繼續發展下去，接著要打亂配對，不一定要出現數值，例如：sin30 配對cos(-60)
可以增加配分，答對一組得一分，答錯扣分，過大關加?分
上完課，宣布下堂課抽20分鐘給學生玩，當小考成績一次，
可能就有學生在家裡猛練習，基本數值記熟，以後上課就方便啦！
- Target Group (Age)
- 15 – 19+
- Language
- Chinese Traditional / 繁體中文
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