+) \(\overrightarrow a = 2\overrightarrow i + 3\overrightarrow j \)\( \Rightarrow \overrightarrow a = (2;3)\).
+) \(\overrightarrow b = \dfrac{1}{3}\overrightarrow i - 5\overrightarrow j \)\( \Rightarrow \overrightarrow b = \left( {\dfrac{1}{3}; - 5} \right)\).
+) \(\overrightarrow c = 3\overrightarrow i = 3\overrightarrow i + 0\overrightarrow j \)\( \Rightarrow \overrightarrow c = (3;0)\)
+) \(\overrightarrow d = - 2\overrightarrow j = 0\overrightarrow i - 2\overrightarrow j \)\( \Rightarrow \overrightarrow d = (0; - 2)\)