=264÷2
=132(平方厘米)
答:阴影部分的面积是132平方厘米.
以下与细菌有关的叙述,正确的是( )
A: Hi, Jenny!____ my birthday party on Saturday afternoon?
B: Sure,____.
A:____you, Linda?
C: I'm sorry I can't. I ____ study for a test on weekends.
A: That's too bad. Maybe next time.
C: Sure. Thanks for your ____.