Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 3 9 ; 1 4 | = 3
358K
det| 10 1 ; 1 11 | = 109
399K
\oint_C \vec{F}\cdot d\vec{r} = 0
11K
\lim_{α\to 0} \frac{\sin α}{α} = 1
67K
∑_{k=1}^{n} k = n(n+1)/2
97K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
338K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
276K
det| 10 9 ; 7 11 | = 47
256K
det| 9 2 ; 7 10 | = 76
348K