Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-09-20 19:37Z
det| 10 9 ; 7 11 | = 47
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
261K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 7 ; 2 2 | = -12
323K
∫₀^∞ e^(-t²) dt = √π / 2
∫₀^∞ e^(-φ²) dφ = √π / 2
394K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
221K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 3 ; 0 8 | = 56
406K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 2 9 ; 6 3 | = -48
det| 11 4 ; 3 12 | = 120
263K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
153K