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 14:36Z

∑_{k=1}^{n} k = n(n+1)/2

det| 10 7 ; 3 11 | = 89

244K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

52K

det| 12 5 ; 4 13 | = 136

3α² + 8α + 4 = 0

90K

det| 2 6 ; 0 3 | = 6

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 9 4 ; 1 10 | = 86

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 4 9 ; 7 5 | = -43

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

137K

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

197K

det| 1 1 ; 3 2 | = -1

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

262K

∇ × E = −∂B/∂t

196K

det| 12 9 ; 3 13 | = 129

∑_{k=1}^{n} k = n(n+1)/2

218K

det| 3 8 ; 6 4 | = -36

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