Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 12:53Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
445K
\lim_{α\to 0} \frac{\sin α}{α} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
235K
N₂ + 3H₂ ⇌ 2NH₃
5ψ² + 5ψ + 6 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
179K
det| 1 5 ; 1 2 | = -3
405K
\frac{2}{6} \sum_{i=1}^{n} i^{2}
det| 1 2 ; 7 2 | = -12
442K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}