شرکت در آزمون آنلاین ریاضی هشتم - ریاضی هشتم | آزمون شماره 19733

$\begin{array}{l}\overrightarrow a-\overrightarrow j\\\\\end{array}$

$\begin{array}{l}\overrightarrow a+4\overrightarrow j\\\\\end{array}$

$\begin{array}{l}\overrightarrow a-4\overrightarrow j\\\\\end{array}$

$\begin{array}{l}\overrightarrow a-2\overrightarrow i\\\\\end{array}$

$\vec i + 3\vec j + \left[ {\begin{array}{*{20}{c}}
{ - 6}\\
2
\end{array}} \right] - \left[ {\begin{array}{*{20}{c}}
7\\
{ - \frac{5}{2}}
\end{array}} \right]$

$\left[ {\begin{array}{*{20}{c}}
1\\
1
\end{array}} \right] - \left[ {\begin{array}{*{20}{c}}
7\\
{ - 6}
\end{array}} \right] + \vec j - 3\vec i$

$\left[ {\begin{array}{*{20}{c}}
 \circ \\
4
\end{array}} \right] - \left[ {\begin{array}{*{20}{c}}
{ - \frac{2}{3}}\\
1
\end{array}} \right] + \left[ {\begin{array}{*{20}{c}}
{10}\\
{ - 15}
\end{array}} \right] - \frac{8}{3}\vec i$

$ - 2\vec i + 5\vec j + 3\vec i - \left[ {\begin{array}{*{20}{c}}
2\\
{ - 7}
\end{array}} \right]$

$\frac{1}{50}$

$\frac{1}{40}$

$\frac{1}{20}$

$\frac{1}{10}$

22

26

30

34