Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:03Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
det| 7 9 ; 1 8 | = 47
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 3 7 ; 2 4 | = -2
339K
det| 9 8 ; 3 10 | = 66
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
∑_{k=1}^{n} k = n(n+1)/2
399K