$A + B$ means $A$ is the son of $B$; $A - B$ means $A$ is the wife of $B$; $A \times B$ means $A$ is the brother of $B$; $A \div B$ means $A$ is the mother of $B$; and $A = B$ means $A$ is the sister of $B$.
What does $P + R - Q$ mean?
What does $P + R - Q$ mean?
- A$Q$ is the father of $P$
- B$Q$ is the son of $P$
- C$Q$ is the uncle of $P$
- D$Q$ is the brother of $P$
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