区间表示法
Interval notation A concise way to denote a set of real numbers, e.g., $(a, b)$ for an open interval and $[a, b]$ for a closed interval.
CSCA 数学 考试术语
Interval notation A concise way to denote a set of real numbers, e.g., $(a, b)$ for an open interval and $[a, b]$ for a closed interval.
CSCA 数学 考试术语