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
det| 6 7 ; 6 7 | = 0
289K
det| 8 2 ; 3 9 | = 66
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 12 5 ; 1 13 | = 151
358K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
121K
det| 9 6 ; 3 10 | = 72
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
67K
CH₄ + 2O₂ → CO₂ + 2H₂O
97K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K
det| 2 9 ; 0 3 | = 6
348K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
396K