Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:23Z
∑_{k=1}^{n} k = n(n+1)/2
det| 11 4 ; 5 12 | = 112
75K
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
191K
det| 10 4 ; 1 11 | = 106
390K
\lim_{α\to 0} \frac{\sin α}{α} = 1
∑_{k=1}^{n} k = n(n+1)/2
1K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
153K
\frac{10}{1} \sum_{i=1}^{n} i^{2}