题目
Set N is populated with all numbers m, where |m| < 5. Which of the following is the closest to the value of the range of Set N?
解析
\(N = \{x \in R \mid -5 < x < 5\}\)
集合\(N\)的极差是集合中最大元素\(a\)与最小元素\(b\)的差。
我们可以取\(a \approx 5\)、\(b \approx -5\),因此\(a - b \approx 10\)
答案是E