教学装备中心要给我乡四年级125名同学配备桌椅.课桌每张35元,椅子每把12元.共需要多少元?
(35+12)×125,
=47×125,
=5875(元).
答:共需要5875元.
(2012·陕西)—The trip shouldn't take more than an hour.
—________.It is at least two hours.
A.I guess so
B.That's it
C.You must be joking
D.It depends
什么是档案资料目录中心?