Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:26Z
det| 5 7 ; 7 6 | = -19
det| 4 8 ; 3 5 | = -4
40K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 4 ; 5 5 | = 0
138K
6n² + 8n + 4 = 0
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
374K
5y² + 8y + 1 = 0
det| 1 7 ; 3 2 | = -19
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃