Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:21Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 10 4 ; 2 11 | = 102
177K
det| 2 6 ; 2 3 | = -6
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
316K
det| 9 2 ; 7 10 | = 76
387K
det| 6 4 ; 0 7 | = 42
67K
∑_{k=1}^{n} k = n(n+1)/2
338K