五星小学的同学去参观博物馆,六年级去了354人,比五年级去的人数的3倍少了63人,五年级去了多少人?
(354+63)÷3,
=417÷3,
=139(人).
答:五年级去了139人.
—How about your journey to Mount Emei?
—Everything was wonderful except that our car ________ twice on the way.[ ]
A. slowed down
B. broke down
C. got down
D. put down
以下不属于质量定义范畴的固有特性的是:()
A、酒店的入住率
B、设备的销售价格
C、零件的尺寸
D、产品寿命