Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 05:09Z
det| 3 3 ; 5 4 | = -3
det| 7 4 ; 4 8 | = 40
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det| 7 9 ; 1 8 | = 47
479K
∇²β = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
e^{i\pi} + 1 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
390K
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-φ²) dφ = √π / 2
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