\[\boxed{\ \mathbf{44\ (44)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)}\ AB;\ \ BC;AC;\ \ BK\]
\[\textbf{б)}\ OP;\ \ PT;\ \ OT;\ \ OR;\ \ PR;\ \ RT\]
\[\textbf{в)}\ AD;\ \ AE;\ \ AC;\ \ EC;\ \ CD;\ \ ED\]
\[\textbf{г)}\ MN;\ \ NP;\ \ PQ;\ \ MQ;\ \ ME;\ \ \]
\[EQ;\ \ NE;\ \ EP\]
\[\boxed{\mathbf{44}.\ }\]
\[1)\ 320\ :2 = 160\ \left( \frac{км}{ч} \right) -\]
\[скорость\ вертолета.\]
\[2)\ 160 \cdot 3 = 480\ (км) -\]
\[пролетит\ вертолет\ за\ 2\ часа.\]
\[Ответ:480\ км.\]