\[\boxed{\mathbf{Страница}\mathbf{\ 71}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{43}\mathbf{.}\mathbf{\ }}\]
\[1)\ 200 \cdot 2 = 400\ (лет) - живет\ \]
\[липа.\]
\[2)\ 400 \cdot 2 = 800\ (лет) - живет\ \]
\[кедр.\]
\[Ответ:800\ лет.\]
\[\boxed{\mathbf{44}\mathbf{.}\mathbf{\ }}\]
\[\boxed{\mathbf{45}\mathbf{.}\mathbf{\ }}\]
\[(388 + 674) \cdot 7 = 1062 \cdot 7 =\]
\[= 7434\]
\[(8940 - 5008) \cdot 4 = 3932 \cdot 4 =\]
\[= 15\ 728\]
\[\boxed{\mathbf{46}\mathbf{.}\mathbf{\ }}\]
\[319\ 308\ :6 = 53\ 218 \Longrightarrow верно.\]
\[334\ 314\ :9 = 37\ 146 \Longrightarrow верно.\]
\[466\ 184\ :8 = 58\ 273\mathbf{\Longrightarrow верно.}\]