Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:49Z
ΔS ≥ 0
\frac{1}{2} \sum_{i=1}^{n} i^{2}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
90K
∑_{k=1}^{n} k = n(n+1)/2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
29K
9θ² + 4θ + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
94K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
211K
det| 6 4 ; 1 7 | = 38
12ω² + 4ω + 5 = 0
det| 6 6 ; 7 7 | = 0
det| 10 3 ; 6 11 | = 92