Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 17:40Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
164K
∑_{k=1}^{n} k = n(n+1)/2
232K
det| 10 9 ; 3 11 | = 83
\frac{6}{3} \sum_{i=1}^{n} i^{2}
375K
det| 9 4 ; 1 10 | = 86
47K
ω = 2πf
det| 1 1 ; 7 2 | = -5
∑_{k=1}^{n} k = n(n+1)/2
130K
e^{i\pi} + 1 = 0
det| 9 9 ; 5 10 | = 45
455K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
215K
\lim_{x\to 0} \frac{\sin x}{x} = 1
324K
λ = h/p
ΔS ≥ 0