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 14:53Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

244K

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

52K

det| 12 5 ; 4 13 | = 136

det| 5 3 ; 2 6 | = 24

90K

det| 7 4 ; 4 8 | = 40

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∇ × E = −∂B/∂t

100K

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

50K

det| 4 9 ; 7 5 | = -43

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

137K

3α² + 8α + 4 = 0

197K

det| 1 1 ; 3 2 | = -1

det| 3 6 ; 0 4 | = 12

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

det| 12 9 ; 3 13 | = 129

∫₀^∞ e^(-n²) dn = √π / 2

218K

det| 3 8 ; 6 4 | = -36

[ 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]