若am=2,an=3,则am+n等于( )
A.5
B.6
C.8
D.9
∵am•an=am+n,am=2,an=3,
∴am+n=2×3=6.
故选B.
— Where is it?
— _________________[ ]
A. It's on the chair.
B. I'm sad.
C. I feel tired.
宗教工作的四条重要原则是什么?