Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:46Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
222K
\lim_{α\to 0} \frac{\sin α}{α} = 1
det| 10 7 ; 3 11 | = 89
87K
∇²α = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
174K
det| 9 4 ; 1 10 | = 86
61K
\lim_{t\to 0} \frac{\sin t}{t} = 1
∑_{k=1}^{n} k = n(n+1)/2
380K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 11 2 ; 5 12 | = 122
472K
det| 7 4 ; 3 8 | = 44
ΔS ≥ 0