αβγΔ
α {\displaystyle \alpha }
β {\displaystyle \beta }
δ {\displaystyle \delta }
μ {\displaystyle \mu }
γ {\displaystyle \gamma }
ω {\displaystyle \omega }
i2
x2 + y2
(x2 + y2)
(x + y) 2
i {\displaystyle {\sqrt {i}}}
i/g2
<math>\sqrt i/g
3 <math>\sqrt i/g