Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:03Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-r²) dr = √π / 2
36K
\oint_C \vec{F}\cdot d\vec{r} = 0
269K
det| 11 2 ; 1 12 | = 130
∫₀^∞ e^(-x²) dx = √π / 2
131K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
158K
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
240K
det| 10 4 ; 2 11 | = 102
376K
det| 5 4 ; 7 6 | = 2
139K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
\lim_{x\to 0} \frac{\sin x}{x} = 1
201K
det| 4 8 ; 7 5 | = -36
399K
CH₄ + 2O₂ → CO₂ + 2H₂O
443K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
137K
\oint_C \vec{F}\cdot d\vec{r} = 0
333K