### Условие задания:

2,1 Б.
Даны векторы $\stackrel{\to }{a}=\left(-4;\phantom{\rule{0.147em}{0ex}}-4;\phantom{\rule{0.147em}{0ex}}8\right)$, $\stackrel{\to }{b}=\left(8;\phantom{\rule{0.147em}{0ex}}-6;\phantom{\rule{0.147em}{0ex}}2\right)$, $\stackrel{\to }{c}=\left(7;\phantom{\rule{0.147em}{0ex}}-4;\phantom{\rule{0.147em}{0ex}}-8\right)$ и $\stackrel{\to }{d}=\left(3;\phantom{\rule{0.147em}{0ex}}10;\phantom{\rule{0.147em}{0ex}}-3\right)$.

Вычисли координаты данных векторов:

$\stackrel{\to }{a}-\stackrel{\to }{c}=\left(i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}}\right)$
$\stackrel{\to }{a}+\stackrel{\to }{b}-\stackrel{\to }{d}=\left(i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}}\right)$
$\stackrel{\to }{a}+\stackrel{\to }{b}-\stackrel{\to }{c}-\stackrel{\to }{d}=\left(i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}};\phantom{\rule{0.147em}{0ex}}i\phantom{\rule{0.147em}{0ex}}\right)$