Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 07:50Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
168K
∂φ/∂t = 3φ
det| 9 4 ; 1 10 | = 86
371K
det| 1 4 ; 4 2 | = -14
det| 1 4 ; 3 2 | = -10
259K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
86K
∑_{k=1}^{n} k = n(n+1)/2
224K
det| 7 9 ; 1 8 | = 47
234K