Math Problem Statement
1,3,3,5,5,5,7,7,7,7...的通项公式是什么
Solution
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Math Problem Analysis
Mathematical Concepts
Sequences and Series
Triangular Numbers
Inequalities
Formulas
Triangular number formula: T_k = k(k+1)/2
General term formula for the sequence: a_n = 2k - 1
Theorems
Triangular Number Theorem
Suitable Grade Level
Grades 9-12