Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 15:38Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
det| 7 4 ; 4 8 | = 40
446K
det| 12 4 ; 1 13 | = 152
∑_{k=1}^{n} k = n(n+1)/2
144K
ΔS ≥ 0
\oint_C \vec{F}\cdot d\vec{r} = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
234K
1x² + 9x + 5 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
218K
\lim_{α\to 0} \frac{\sin α}{α} = 1
354K
F = ma
ω = 2πf
12γ² + 7γ + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}