Найдите координаты вектора \(\displaystyle \overrightarrow {a}+\overrightarrow {b}.\)
Координаты вектора \(\displaystyle \overrightarrow {a}+ \overrightarrow {b}{:}\)
\(\displaystyle (\)[ ]\(\displaystyle ;\)[ ]\(\displaystyle )\)