Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 01:15Z
det| 4 9 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
445K
∫₀^∞ e^(-t²) dt = √π / 2
193K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
235K
\lim_{α\to 0} \frac{\sin α}{α} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
212K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
362K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
405K
d/dω [ω^9] = 9ω^8
det| 10 7 ; 3 11 | = 89
442K
\oint_C \vec{F}\cdot d\vec{r} = 0
41K