Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:11Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
264K
det| 7 4 ; 4 8 | = 40
276K
∇²α = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
257K
det| 2 4 ; 4 3 | = -10
250K
ω = 2πf
det| 11 2 ; 5 12 | = 122
62K
det| 2 6 ; 0 3 | = 6
256K
PV = nRT
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0