原式=2-1-1
=0.
--Jassy , you speak Chinese so fluently!
--- ______.
You are lying, I have to say. B. Thanks a lot for saying so.
C. That’s none of your business. D. I can’t agree more.
云锦花纹又称()
A.五花层
B.五影纹
C.水波纹
D.云纹
E.方胜纹