Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:51Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²α = 0
ω = 2πf
PV = nRT
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 10 8 ; 3 11 | = 86