Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:25Z
det| 5 7 ; 7 6 | = -19
Fe₂O₃ + 3CO → 2Fe + 3CO₂
6n² + 8n + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
176K
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
d/dz [z^11] = 11z^10
374K
5y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
247K