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 22:26Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 7 4 ; 4 8 | = 40

138K

det| 9 9 ; 5 10 | = 45

138K

6n² + 8n + 4 = 0

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

176K

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

67K

∇²φ = 0

2H₂ + O₂ → 2H₂O

306K

N₂ + 3H₂ ⇌ 2NH₃

322K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

374K

∇²ψ = 0

112K

∑_{k=1}^{n} k = n(n+1)/2

247K