Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:54Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
320K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
det| 4 7 ; 0 5 | = 20
det| 7 4 ; 4 8 | = 40
438K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
94K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
69K
∑_{k=1}^{n} k = n(n+1)/2
144K