Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:23Z
∑_{k=1}^{n} k = n(n+1)/2
det| 1 1 ; 5 2 | = -3
479K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 10 7 ; 3 11 | = 89
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 5 3 ; 7 6 | = 9
390K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\frac{10}{1} \sum_{i=1}^{n} i^{2}
F = G m₁m₂ / r²
det| 4 4 ; 5 5 | = 0
188K
det| 7 2 ; 3 8 | = 50
416K
det| 2 5 ; 6 3 | = -24
\frac{2}{1} \sum_{i=1}^{n} i^{2}