Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:32Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
8β² + 2β + 0 = 0
det| 3 3 ; 4 4 | = 0
276K
det| 7 9 ; 1 8 | = 47
129K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
∑_{k=1}^{n} k = n(n+1)/2
153K
det| 12 1 ; 1 13 | = 155
∑_{k=1}^{n} k = n(n+1)/2
473K
det| 12 1 ; 4 13 | = 152
338K
N₂ + 3H₂ ⇌ 2NH₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
188K
∫₀^∞ e^(-θ²) dθ = √π / 2