Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:03Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 7 ; 0 5 | = 20
det| 9 4 ; 1 10 | = 86
90K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 4 ; 3 13 | = 144
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
69K
\lim_{z\to 0} \frac{\sin z}{z} = 1
144K