A:lgx>x12>ex
B:ex>lgx>x12
C:ex>x12>lgx
D:x12>ex>lgx
The best way _______ there is by bike. It's healthy for us.
两个电阻R1=6Ω,R2=3Ω,它们的并联电阻为( )
若多边形每个内角都等于150°,则从此多边形一个顶点出发的对角线有( )条.