校服厂要为学生做校服,一共准备了400米布.已知做一套校服要用布2.25米,这些布最多能做几套校服?
400÷2.25≈177(套);
答:这些布最多能做177套校服.
That _______ fun. Let's _______ to see it. [ ]
A. sound; go
B. sounds; go
C. sounds; to go
D. sound; goes
数据2,5,9,11,8,9,10,13,10,24的中位数是
A.8.0 B.8.5 C.9.0 D.9.5