繪圖區以亂數出現一條直線，但不會是水平或鉛垂線。
課堂上讓學生看圖回答斜率，以了解斜率的計算規則。
有記錄答對、答錯題數，可以一直玩下去。
- Resource Type
-
Activity
- Tags
-
- Target Group (Age)
- 15 – 18
- Language
- Chinese Traditional / 繁體中文
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