(\(\vec{HB} + \vec{BA} - \vec{TA}\)) – (\(\vec{PM} - \vec{TM}\)) = (\(\vec{HB} + \vec{BA} - \vec{TA}\)) – (\(\vec{PM} + (-\vec{TM})\)) = (\(\vec{HA} + (\vec{AB} - \vec{TA}\)) - (\(\vec{PM} + \vec{MT}\)) = (\(\vec{HA} + \vec{TB}\)) - \(\vec{PT}\) = \(\vec{HT} + \vec{BT}\) = \(\vec{HB}\).
Ответ: \(\vec{HB}\)