Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:20Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-n²) dn = √π / 2
36K
∫₀^∞ e^(-z²) dz = √π / 2
269K
10y² + 7y + 7 = 0
det| 7 4 ; 4 8 | = 40
131K
CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
376K
10y² + 4y + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
139K
\lim_{t\to 0} \frac{\sin t}{t} = 1
91K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
201K
∑_{k=1}^{n} k = n(n+1)/2
295K
det| 9 9 ; 5 10 | = 45
399K