Math Problem Statement
Đếm tất cả các tập khác rỗng của tập {1,2,...,201} mà tổng các phần tử trong mỗi tập con này đều chia hết cho 3
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Generating functions
Modular arithmetic
Formulas
Generating function for subsets
Theorems
Binomial theorem
Suitable Grade Level
Advanced High School
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