Σ index Rxn set 8 Ledger /9 Σ#24 Ledger /3 Ledger /15 Σ#12 Matrix 11 Batch 22 Eq pack 19 Matrix 17 Eq pack 13 Batch 16 Ledger /27 Eq pack 7

Symbolic Index /sym/ea4bfa

id=1 · host=au.commstar.world · 2026-10-20 18:44Z

det| 11 8 ; 0 12 | = 132

∑_{k=1}^{n} k = n(n+1)/2

244K

N₂ + 3H₂ ⇌ 2NH₃

52K

N₂ + 3H₂ ⇌ 2NH₃

4y² + 3y + 7 = 0

90K

F = ma

91K

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

AgNO₃ + NaCl → AgCl↓ + NaNO₃

100K

∫₀^∞ e^(-θ²) dθ = √π / 2

50K

CH₄ + 2O₂ → CO₂ + 2H₂O

det| 9 6 ; 0 10 | = 90

137K

det| 7 4 ; 4 8 | = 40

197K

2H₂ + O₂ → 2H₂O

3z² + 5z + 1 = 0

262K

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

196K

F = ma

ΔS ≥ 0

218K

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

299K

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