$\infty$ $\pi$
3(1/3)^2 -5(1/3) -2
$$\prod_{a}^{b}{C}$$ $\sm_a}{bC$ $sqt{Bo}$ $^{}$
52,31 / (1- 0.03)
e
solve the equations
4...
(-7)-(+2)-(-4)
2 $a^{0.5}$
2x $a^{0.5}$
(n-1)³+3(n-1)²+2(n-1)
(+3)+(-2)+(+1)