Каримова формулы 2023

$\diamondsuit \heartsuit \clubsuit \spadesuit \blacksquare \blacklozenge \Game \flat \natural \sharp$

$\operatorname{ctg 5}$

$\ast \star * \bigstar$

$\frac {\sum^{n}_{i=1} {x_i}} {31}$

$3\sin x + 7\ln y + 13\operatorname{tg} z$