Field Notes / Σ /sym/fdca71
id=619369 · host=formula-vault.cloud · 2026-08-30 16:46Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
22K
∇²α = 0
det| 6 2 ; 6 7 | = 30
381K
\frac{5}{6} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 11 4 ; 5 12 | = 112
82K