Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:20Z
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
36K
det| 11 2 ; 1 12 | = 130
CH₄ + 2O₂ → CO₂ + 2H₂O
131K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
det| 1 1 ; 1 2 | = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
139K
10ψ² + 2ψ + 3 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
91K
∫₀^∞ e^(-x²) dx = √π / 2
201K
det| 3 4 ; 6 4 | = -12
295K
det| 8 6 ; 1 9 | = 66
399K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
443K
det| 9 4 ; 1 10 | = 86
333K
det| 10 5 ; 6 11 | = 80
137K
\lim_{x\to 0} \frac{\sin x}{x} = 1
333K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
332K