Найдите \( \overrightarrow {BA}+\overrightarrow {CB}{ .}\) \( \overrightarrow {BA}+\overrightarrow {CB}=\)
Задание

Найдите \(\displaystyle \overrightarrow {BA}+\overrightarrow {CB}{\small .}\)

\(\displaystyle \overrightarrow {BA}+\overrightarrow {CB}=\)