Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:48Z
ΔS ≥ 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
320K
\lim_{t\to 0} \frac{\sin t}{t} = 1
144K
\frac{1}{2} \sum_{i=1}^{n} i^{2}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
394K
9θ² + 4θ + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
94K
det| 6 4 ; 1 7 | = 38
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
390K