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 20:29Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

244K

det| 10 5 ; 4 11 | = 90

52K

6ω² + 3ω + 2 = 0

det| 2 6 ; 0 3 | = 6

90K

∑_{k=1}^{n} k = n(n+1)/2

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

det| 11 2 ; 5 12 | = 122

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 8 3 ; 4 9 | = 60

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

137K

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

197K

9x² + 3x + 6 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

2H₂ + O₂ → 2H₂O

218K

12z² + 1z + 7 = 0

299K

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