Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:50Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
320K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
det| 12 1 ; 5 13 | = 151
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 1 ; 7 8 | = 49
94K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
211K
det| 7 9 ; 1 8 | = 47
69K