Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:22Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 7 4 ; 4 8 | = 40
144K
det| 4 7 ; 0 5 | = 20
det| 11 2 ; 5 12 | = 122
90K
det| 2 7 ; 7 3 | = -43
438K
∑_{k=1}^{n} k = n(n+1)/2