Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:08Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
320K
det| 9 4 ; 1 10 | = 86
144K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
438K
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
94K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
211K
det| 12 4 ; 3 13 | = 144
∑_{k=1}^{n} k = n(n+1)/2
390K
\oint_C \vec{F}\cdot d\vec{r} = 0
69K