若函数f(x)=4sin(ωx+φ)对任意的x都有f(π3+x)=f(-x),则f(π6)=( )
分析频闪照片可知:
-- Anna, could you lend me this book, please?
-- I'm sorry. I it for only two days, and I haven't finished it yet.
亚洲和欧洲的分界线是:____ 山、____ 河、大高加索山脉;亚洲和非洲的分界线是____.