Math Problem Statement
Να αποδείξετε ότι για κάθε πραγματικό αριθμό Χ υπάρχει ένας μόνο αντίθετος του
Solution
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Math Problem Analysis
Mathematical Concepts
Real Numbers
Opposites in Algebra
Formulas
x + (-x) = 0
Theorems
Existence and Uniqueness of Opposites
Suitable Grade Level
Grades 9-12
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