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 22:59Z

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

det| 7 4 ; 4 8 | = 40

138K

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

138K

6n² + 8n + 4 = 0

10y² + 5y + 6 = 0

176K

N₂ + 3H₂ ⇌ 2NH₃

67K

\frac{12}{7} \sum_{i=1}^{n} i^{2}

306K

11φ² + 7φ + 7 = 0

322K