Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 01:03Z
det| 4 9 ; 0 5 | = 20
\binom{n}{k} = \frac{n!}{k!(n-k)!}
445K
∑_{k=1}^{n} k = n(n+1)/2
193K
2H₂ + O₂ → 2H₂O
∫₀^∞ e^(-y²) dy = √π / 2
322K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
235K
\lim_{α\to 0} \frac{\sin α}{α} = 1
det| 7 4 ; 4 8 | = 40
212K
\oint_C \vec{F}\cdot d\vec{r} = 0
362K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
179K
det| 5 3 ; 2 6 | = 24
405K
d/dω [ω^9] = 9ω^8
det| 4 9 ; 1 5 | = 11
\binom{n}{k} = \frac{n!}{k!(n-k)!}
41K
det| 4 6 ; 3 5 | = 2