Math Problem Statement
В группе из 25 студентов лингвистов 12 изучают греческий, 10 - латынь и 9 - санскрит. Каждые два языка изучает ровно три студента. Сколько студентов изучают все три языка?
Solution
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Math Problem Analysis
Mathematical Concepts
Set theory
Principle of inclusion-exclusion
Formulas
Inclusion-exclusion principle
Theorems
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Suitable Grade Level
High school
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