Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:13Z
9n² + 9n + 6 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
36K
\lim_{t\to 0} \frac{\sin t}{t} = 1
269K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
131K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
158K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
det| 1 5 ; 1 2 | = -3
344K
∂x/∂ω = 9x
∫₀^∞ e^(-θ²) dθ = √π / 2
91K
4t² + 8t + 6 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂