Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-09-27 05:43Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{9}{3} \sum_{i=1}^{n} i^{2}
364K
det| 1 8 ; 2 2 | = -14
∑_{k=1}^{n} k = n(n+1)/2
235K
∇²α = 0
det| 7 2 ; 3 8 | = 50
398K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 6 ; 3 13 | = 138
301K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
311K
10y² + 3y + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
462K
7ψ² + 3ψ + 7 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
235K
det| 8 8 ; 4 9 | = 40
357K