Найдите \( \overrightarrow {DE}-\overrightarrow {DC}{ .}\) \( \overrightarrow {DE}-\overrightarrow {DC}=\)
Задание

Найдите \(\displaystyle \overrightarrow {DE}-\overrightarrow {DC}{\small .}\)

\(\displaystyle \overrightarrow {DE}-\overrightarrow {DC}=\)