Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:08Z
∇ × E = −∂B/∂t
det| 10 9 ; 7 11 | = 47
269K
det| 11 2 ; 1 12 | = 130
det| 9 6 ; 3 10 | = 72
158K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
240K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
201K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
295K
det| 9 5 ; 2 10 | = 80
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
347K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
443K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
137K
det| 4 8 ; 7 5 | = -36
379K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
332K