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