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 14:19Z

∑_{k=1}^{n} k = n(n+1)/2

2H₂ + O₂ → 2H₂O

244K

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

52K

det| 12 5 ; 4 13 | = 136

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

90K

∑_{k=1}^{n} k = n(n+1)/2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 6 4 ; 4 7 | = 26

100K

6x² + 6x + 1 = 0

50K

det| 4 9 ; 7 5 | = -43

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

137K

6x² + 7x + 6 = 0

197K

det| 1 1 ; 3 2 | = -1

det| 5 6 ; 1 6 | = 24

262K

det| 9 4 ; 1 10 | = 86

196K

∑_{k=1}^{n} k = n(n+1)/2

218K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

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]