Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:43Z
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
269K
det| 11 2 ; 1 12 | = 130
det| 7 4 ; 4 8 | = 40
131K
∑_{k=1}^{n} k = n(n+1)/2
det| 11 9 ; 0 12 | = 132
139K
∑_{k=1}^{n} k = n(n+1)/2
344K