Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:41Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
75K
∫₀^∞ e^(-t²) dt = √π / 2
479K
8β² + 2β + 0 = 0
det| 4 8 ; 3 5 | = -4
129K
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
191K
det| 3 6 ; 0 4 | = 12
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1