Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:11Z
det| 5 7 ; 7 6 | = -19
\binom{n}{k} = \frac{n!}{k!(n-k)!}
297K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
138K
CH₄ + 2O₂ → CO₂ + 2H₂O
138K
6n² + 8n + 4 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
176K
det| 9 4 ; 1 10 | = 86
67K
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
306K
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
374K
∑_{k=1}^{n} k = n(n+1)/2
112K
5y² + 8y + 1 = 0
det| 1 7 ; 3 2 | = -19
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃