Strona: 1 2 3 (Dalej) Wszystkie
$$$\begin{array}{|ccc|}a_1&a_2&a_3\\ b_1&b_2&b_3\\ c_1&c_2&c_3\end{array}$$$ is $$\begin{array}{|ccc|}a_1&a_2&a_3\\ b_1&b_2&b_3\\ c_1&c_2&c_3\end{array}$$
$$$\bigsum_{n+2}^x$$$ is $$\bigsum_{n+2}^x$$
$$$\infty$$$ is $$\infty$$