Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:50Z
det| 5 7 ; 7 6 | = -19
\frac{11}{6} \sum_{i=1}^{n} i^{2}
297K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
138K
6n² + 8n + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
176K
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
374K
∑_{k=1}^{n} k = n(n+1)/2
112K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
247K