YSITD_Chat_Bot says to #ysitd <sCSUVbuMwzZrhQdq4aATH6VII4y4VupI>: 👏歡迎新使用者，請在30秒內回答問題 simplify f(x) 否則牧羊犬會趕你出去喔🐶 https://i.imgur.com/q4OwP8R.jpg
