Math Dump /sym/fa1c31
id=175580 · host=jp.commstar.world · 2026-09-01 21:08Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 1 ; 6 5 | = 14
402K
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 5 3 ; 7 6 | = 9
398K
iħ ∂ψ/∂t = Ĥψ
2H₂ + O₂ → 2H₂O
det| 1 3 ; 1 2 | = -1
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 6 4 ; 7 7 | = 14
det| 6 9 ; 7 7 | = -21
det| 6 5 ; 2 7 | = 32
d/dt [t^10] = 10t^9
∑_{k=1}^{n} k = n(n+1)/2