Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
det| 5 4 ; 5 6 | = 10
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{5}{6} \sum_{i=1}^{n} i^{2}
339K
det| 12 4 ; 3 13 | = 144
177K
det| 11 8 ; 6 12 | = 84
316K
\oint_C \vec{F}\cdot d\vec{r} = 0
387K
det| 7 4 ; 4 8 | = 40
67K
\frac{12}{4} \sum_{i=1}^{n} i^{2}
97K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
276K
CH₄ + 2O₂ → CO₂ + 2H₂O
346K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
348K