Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:23Z
det| 5 7 ; 7 6 | = -19
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-n²) dn = √π / 2
138K
6n² + 8n + 4 = 0
det| 9 6 ; 0 10 | = 90
176K
∫₀^∞ e^(-y²) dy = √π / 2
67K
∇²φ = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
306K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
112K
5y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
247K
det| 1 7 ; 3 2 | = -19
ΔS ≥ 0