Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:52Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 1 ; 7 8 | = 49
144K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 9 ; 0 12 | = 132
94K
det| 8 9 ; 4 9 | = 36
144K