In a family notation: 'A + B' means A is the father of B; 'A − B' means A is the brother of B; 'A × B' means A is the mother of B; 'A ÷ B' means A is the sister of B. Which expression shows that A is the maternal uncle of B?

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Accepted Answer

A − C × B. The maternal uncle is the brother of one's mother. 'A − C' means A is the brother of C, and 'C × B' means C is the mother of B, so A is the brother of B's mother — the maternal uncle.

In a family notation: 'A + B' means A is the father of B; 'A − B' means A is the brother of B; 'A × B' means A is the mother of B; 'A ÷ B' means A is the sister of B. Which expression shows that A is the maternal uncle of B?

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