Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:11Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²α = 0
det| 7 7 ; 4 8 | = 28
257K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
250K
ω = 2πf
λ = h/p
PV = nRT
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 10 8 ; 3 11 | = 86