Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:41Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 6 6 ; 3 7 | = 24
191K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
1K
∑_{k=1}^{n} k = n(n+1)/2
153K
\frac{10}{1} \sum_{i=1}^{n} i^{2}