Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:08Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
det| 10 6 ; 4 11 | = 86
det| 7 4 ; 4 8 | = 40
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
ΔS ≥ 0
det| 4 6 ; 4 5 | = -4
29K
∑_{k=1}^{n} k = n(n+1)/2
390K
∫₀^∞ e^(-t²) dt = √π / 2
69K
∑_{k=1}^{n} k = n(n+1)/2
144K