Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:41Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
det| 4 7 ; 0 5 | = 20
det| 9 3 ; 3 10 | = 81
90K
det| 12 9 ; 5 13 | = 111
438K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 2 2 | = -6
94K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
211K
det| 12 4 ; 3 13 | = 144
12γ² + 8γ + 0 = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
144K
CH₄ + 2O₂ → CO₂ + 2H₂O
352K