Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:27Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 4 7 ; 0 5 | = 20
Fe₂O₃ + 3CO → 2Fe + 3CO₂
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 11 9 ; 0 12 | = 132
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 2 2 | = -6
211K
∫₀^∞ e^(-t²) dt = √π / 2
69K
det| 7 4 ; 4 8 | = 40
144K