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 22:10Z

det| 5 7 ; 7 6 | = -19

det| 8 6 ; 6 9 | = 36

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

AgNO₃ + NaCl → AgCl↓ + NaNO₃

138K

det| 9 4 ; 1 10 | = 86

138K

6n² + 8n + 4 = 0

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

176K

d/dt [t^3] = 3t^2

67K

∇²φ = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

306K

∇²ω = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

374K

10y² + 5y + 6 = 0

112K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

247K

∑_{k=1}^{n} k = n(n+1)/2

417K