Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 06:01Z
∫₀^∞ e^(-x²) dx = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
198K
det| 10 5 ; 3 11 | = 95
CaCO₃ → CaO + CO₂
det| 4 6 ; 4 5 | = -4
366K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
319K