Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:13Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\frac{4}{9} \sum_{i=1}^{n} i^{2}
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 6 ; 1 8 | = 50
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 5 2 ; 3 6 | = 24
339K
det| 7 4 ; 4 8 | = 40
177K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K