Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:13Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 7 4 ; 4 8 | = 40
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 6 ; 1 8 | = 50
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det| 4 7 ; 5 5 | = -15
det| 1 1 ; 5 2 | = -3
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CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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d/dω [ω^8] = 8ω^7
∑_{k=1}^{n} k = n(n+1)/2
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