Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:02Z
∑_{k=1}^{n} k = n(n+1)/2
det| 11 5 ; 0 12 | = 132
479K
8β² + 2β + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{r\to 0} \frac{\sin r}{r} = 1
∑_{k=1}^{n} k = n(n+1)/2
1K
det| 7 9 ; 1 8 | = 47
153K
det| 12 1 ; 1 13 | = 155