[math]f(x)=\frac{\left\vert x-a \right\vert -\left\vert x-b \right\vert +\left\vert a-b \right\vert }{2}+a[/math]
- Target Group (Age)
- 15 – 18
- Language
- Chinese Traditional / 繁體中文
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.
