Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:52Z
det| 5 7 ; 7 6 | = -19
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
138K
6n² + 8n + 4 = 0
det| 7 4 ; 4 8 | = 40
176K
∑_{k=1}^{n} k = n(n+1)/2
67K
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
\lim_{x\to 0} \frac{\sin x}{x} = 1
112K
5y² + 8y + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
247K
det| 1 7 ; 3 2 | = -19
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃