Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:06Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
det| 4 7 ; 0 5 | = 20
det| 7 3 ; 6 8 | = 38
90K
det| 7 4 ; 4 8 | = 40
438K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
394K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
94K
∫₀^∞ e^(-t²) dt = √π / 2
211K
det| 12 4 ; 3 13 | = 144
det| 9 7 ; 3 10 | = 69
390K
12γ² + 8γ + 0 = 0
9t² + 4t + 4 = 0
PV = nRT
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O