Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:40Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
75K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 4 ; 5 5 | = 0
191K
\lim_{α\to 0} \frac{\sin α}{α} = 1