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 14:38Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-θ²) dθ = √π / 2

244K

d/dβ [β^2] = 2β^1

52K

det| 12 5 ; 4 13 | = 136

\lim_{t\to 0} \frac{\sin t}{t} = 1

90K

CaCO₃ → CaO + CO₂

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 9 4 ; 1 10 | = 86

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

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

137K

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

197K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

262K

λ = h/p

196K

4y² + 3y + 7 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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