Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:20Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 4 7 ; 5 5 | = -15
det| 7 4 ; 4 8 | = 40
366K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
263K
∑_{k=1}^{n} k = n(n+1)/2
233K