Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:21Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
CH₄ + 2O₂ → CO₂ + 2H₂O
320K
det| 4 7 ; 0 5 | = 20
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
394K
∑_{k=1}^{n} k = n(n+1)/2
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
94K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
211K
∑_{k=1}^{n} k = n(n+1)/2
69K