Find the value of \(1{\rm{\;}}-{\rm{\;}}2{\rm{\;}} \div {\rm{\;}}6{\rm{\;of\;}}3{\rm{\;}} + {\rm{\;}}\left( {3{\rm{\;}} + {\rm{\;}}6{\rm{\;of\;}}\frac{1}{3}} \right) \div 10 + \left( {6 \times 5{\rm{\;of\;}}\frac{1}{5}} \right) \times \frac{1}{6}\)