单选题
A
B
C
D
【正确答案】
A
【答案解析】
With a calculator, you can multiply [*] but it is annoying and time-consuming. However, you can avoid the arithmetic, if you know KEY FACT A24:
If 0<x< 1 and n> 1, then x
n
<x.
[*]
提交答案
关闭