Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:01Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
177K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
121K
det| 9 4 ; 1 10 | = 86
316K
det| 7 9 ; 1 8 | = 47
11K