Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:56Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 7 ; 0 5 | = 20
det| 7 2 ; 7 8 | = 42
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 6 4 ; 4 7 | = 26
394K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 4 ; 3 13 | = 144
det| 5 6 ; 1 6 | = 24
390K
det| 9 4 ; 1 10 | = 86
69K
∑_{k=1}^{n} k = n(n+1)/2
144K