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 22:24Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

Fe₂O₃ + 3CO → 2Fe + 3CO₂

138K

det| 7 4 ; 4 8 | = 40

138K

6n² + 8n + 4 = 0

N₂ + 3H₂ ⇌ 2NH₃

176K

det| 4 6 ; 0 5 | = 20

67K

∇²φ = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

306K

e^{i\pi} + 1 = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

ΔS ≥ 0

374K

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

112K

5y² + 8y + 1 = 0

det| 12 1 ; 5 13 | = 151

247K

det| 1 7 ; 3 2 | = -19