Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:02Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 2 6 | = 18
94K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
211K
det| 9 5 ; 6 10 | = 60
390K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
144K