Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:51Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
320K
det| 4 7 ; 0 5 | = 20
det| 9 5 ; 1 10 | = 85
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
394K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 11 2 ; 5 12 | = 122
69K