• M x N % S + T

  • M x N - S % T

  • M x S - N % T

  • M x N x S % T


M x N тЖТ M is the mother of N N % S тЖТ N is the wife of S and S + T тЖТ is the father of T. Hence, M is the maternal grandmother of T.

New Blog Post
Network Questions