问 题
两题gre数学
悬赏分：
0分
提问时间:
2008-09-26 13:56:45 
提问者：
jiangnan
做《GRE数学高分快速突破》的时候纠结的
What is the maximum number of cubes with sides of a length that could fit inside a cube with sides of length 2s?
答案是64。看不懂也想不通
还有一题
The diagonal of the floor of a rectangular closet is 7.5 feet. The shorter side of the closet is 4.25 feet. What is the area of the closet in square feet?
A)37 B)27 C)13.5 D)5.25 E)5
答案是B。以为自己看懂了，就是算不出来......
好心人帮忙解释一下......