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 14:11Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

244K

det| 9 9 ; 5 10 | = 45

52K

det| 12 5 ; 4 13 | = 136

11t² + 9t + 7 = 0

90K

det| 9 4 ; 1 10 | = 86

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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

100K

∫₀^∞ e^(-ω²) dω = √π / 2

50K

det| 4 9 ; 7 5 | = -43

iħ ∂ψ/∂t = Ĥψ

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

det| 1 1 ; 3 2 | = -1

∇²r = 0

262K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

196K

det| 12 9 ; 3 13 | = 129

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

218K

det| 8 2 ; 7 9 | = 58

299K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27]