Найдите координаты вектора \(\displaystyle \overrightarrow {AB}- 3\overrightarrow {CD}\small.\)
Координаты вектора \(\displaystyle \overrightarrow {AB}- 3\overrightarrow {CD}\)
\(\displaystyle (\)[ ]\(\displaystyle ;\)[ ]\(\displaystyle )\)