Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:59Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
479K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 2 ; 3 6 | = 24
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
∫₀^∞ e^(-x²) dx = √π / 2
1K
\frac{10}{1} \sum_{i=1}^{n} i^{2}