Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:12Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
75K
∑_{k=1}^{n} k = n(n+1)/2
479K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 4 6 ; 4 5 | = -4
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
191K
∫₀^∞ e^(-x²) dx = √π / 2
390K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
153K
\frac{10}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
473K
det| 9 4 ; 1 10 | = 86
338K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
416K
det| 2 5 ; 6 3 | = -24