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 20:06Z

∑_{k=1}^{n} k = n(n+1)/2

6x² + 7x + 6 = 0

244K

∑_{k=1}^{n} k = n(n+1)/2

52K

6ω² + 3ω + 2 = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

90K

CaCO₃ → CaO + CO₂

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

det| 7 4 ; 4 8 | = 40

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 8 3 ; 4 9 | = 60

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

137K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

197K

9x² + 3x + 6 = 0

F = G m₁m₂ / r²

262K

N₂ + 3H₂ ⇌ 2NH₃

196K

9ψ² + 3ψ + 3 = 0

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

218K

det| 6 8 ; 7 7 | = -14

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