Σ index Rxn set 8 Ledger /9 Matrix 23 Batch 16 Batch 22 Σ#12 Ledger /15 Eq pack 1 Ledger /21

Spectra Ledger /sym/2e6562

id=1 · host=commstar.world · 2026-10-18 22:21Z

det| 5 7 ; 7 6 | = -19

\binom{n}{k} = \frac{n!}{k!(n-k)!}

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

N₂ + 3H₂ ⇌ 2NH₃

138K

det| 9 7 ; 3 10 | = 69

138K

6n² + 8n + 4 = 0

\binom{n}{k} = \frac{n!}{k!(n-k)!}

176K

\frac{11}{8} \sum_{i=1}^{n} i^{2}

67K

∇²φ = 0

det| 7 4 ; 4 8 | = 40

306K

\oint_C \vec{F}\cdot d\vec{r} = 0

322K

\lim_{t\to 0} \frac{\sin t}{t} = 1

374K

∇²ψ = 0

112K

N₂ + 3H₂ ⇌ 2NH₃

247K

3β² + 2β + 2 = 0

417K