‘Q * R’ means ‘Q is the mother of R’ ‘Q + R’ means ‘Q is the husband of R’ ‘Q × R’ means ‘Q is the sister of R’ ‘Q ÷ R’ means ‘Q is the son of R’ If ‘D × O ÷ E + Y’, how is D related to Y? |
Sister Daughter-in-law Daughter Brother |
Daughter |
ATQ, ********************************************************* Please note: l ⇒ Vertical line shown "generation gap". = ⇒ Double lines shown "relation of spouse" — ⇒ Horizontal line shown "relation in same generation other than spouse". ⇒ Rectangular box shown " Male". ⇒ Circular box shown " Female". ********************************************************* |