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

10y² + 5y + 6 = 0

244K

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

52K

det| 12 5 ; 4 13 | = 136

det| 4 2 ; 3 5 | = 14

90K

det| 2 4 ; 4 3 | = -10

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

N₂ + 3H₂ ⇌ 2NH₃

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 4 9 ; 7 5 | = -43

det| 2 7 ; 7 3 | = -43

137K

∇²r = 0

197K

det| 1 1 ; 3 2 | = -1

det| 7 4 ; 4 8 | = 40

262K

ΔS ≥ 0

196K

det| 12 9 ; 3 13 | = 129

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]