等差数列的通项公式
general term formula of an arithmetic sequence The formula is $a_n = a_1 + (n-1)d$, where $a_1$ is the first term and $d$ is the common difference.
CSCA 数学 考试术语
general term formula of an arithmetic sequence The formula is $a_n = a_1 + (n-1)d$, where $a_1$ is the first term and $d$ is the common difference.
CSCA 数学 考试术语