O = 6a²
V = a³
O = 2(ab+bc+ac)
V = abc
O = 2*pi*r*(r+h)
O = 2*pi*r² + 2*pi*r*h
V = pi*r²*h
O = π r ∗ ( r + s ) {\displaystyle O=\pi r*(r+s)\,\!}
V = 1 3 ∗ π r 2 ∗ h {\displaystyle V={\frac {1}{3}}*\pi r^{2}*h}
V = 1 3 G ∗ h = 1 3 a 2 ∗ h {\displaystyle V={\frac {1}{3}}G*h={\frac {1}{3}}a^{2}*h}
x 1 , 2 = − p 2 ± ( p 2 ) 2 − q {\displaystyle x_{1,2}=-{\frac {p}{2}}\pm {\sqrt {({\frac {p}{2}})^{2}-q}}}
--Max Weller 14:44, 4. Okt. 2009 (CEST)
