Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:23Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-n²) dn = √π / 2
75K
∫₀^∞ e^(-z²) dz = √π / 2
479K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-x²) dx = √π / 2
191K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
338K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
188K