Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:33Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
det| 9 5 ; 1 10 | = 85
177K
det| 2 8 ; 7 3 | = -50
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K