Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 00:31Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
\oint_C \vec{F}\cdot d\vec{r} = 0
192K
iħ ∂ψ/∂t = Ĥψ
det| 5 9 ; 0 6 | = 30
143K
\oint_C \vec{F}\cdot d\vec{r} = 0
375K
det| 10 7 ; 5 11 | = 75
det| 7 4 ; 4 8 | = 40
89K
∑_{k=1}^{n} k = n(n+1)/2
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
296K
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O