34 + 2 ∗ C V 23 = 45 {\displaystyle 34+2*{\frac {C_{V}}{23}}=45}
x 1 , 2 = − b ± b 2 − 4 a c 2 a {\displaystyle x_{1,2}={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}
2 n ∑ i = 0 e ( n i ) ≥ M {\displaystyle {2^{n} \over \sum _{i=0}^{e}{n \choose i}}\geq M}