Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:22Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 2 ; 7 8 | = 42
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 7 4 ; 4 8 | = 40
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