Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:17Z
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
75K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 3 ; 7 6 | = 9
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
191K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\frac{10}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
473K
F = G m₁m₂ / r²
2H₂ + O₂ → 2H₂O