Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:39Z
∑_{k=1}^{n} k = n(n+1)/2
8β² + 2β + 0 = 0
det| 5 9 ; 0 6 | = 30
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∑_{k=1}^{n} k = n(n+1)/2
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 9 4 ; 1 10 | = 86
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det| 12 1 ; 1 13 | = 155
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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N₂ + 3H₂ ⇌ 2NH₃
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 5 5 ; 2 6 | = 20
e^{i\pi} + 1 = 0