Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:51Z
det| 5 7 ; 7 6 | = -19
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
138K
6n² + 8n + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
67K
∇²φ = 0
det| 3 6 ; 0 4 | = 12
306K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
374K
5y² + 8y + 1 = 0
det| 8 2 ; 7 9 | = 58
247K
det| 1 7 ; 3 2 | = -19