Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:41Z
∑_{k=1}^{n} k = n(n+1)/2
8β² + 2β + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 7 6 | = 9
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
∫₀^∞ e^(-x²) dx = √π / 2
153K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
473K
det| 7 4 ; 4 8 | = 40
188K
det| 5 2 ; 3 6 | = 24
416K