![](https://i.imgur.com/AGP3eI5.jpg)
[理工] 台科 計組
![](https://i.imgur.com/AGP3eI5.jpg)
不好意思想問b怎麼求的
答案好像是0.8
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推
02/16 01:20,
5年前
, 1F
02/16 01:20, 1F
→
02/16 01:20,
5年前
, 2F
02/16 01:20, 2F
→
02/16 01:20,
5年前
, 3F
02/16 01:20, 3F
推
02/16 01:23,
5年前
, 4F
02/16 01:23, 4F
→
02/16 01:23,
5年前
, 5F
02/16 01:23, 5F
→
02/16 06:47,
5年前
, 6F
02/16 06:47, 6F