Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:55Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 7 4 ; 4 8 | = 40
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\oint_C \vec{F}\cdot d\vec{r} = 0
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 4 7 ; 5 5 | = -15
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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d/dω [ω^8] = 8ω^7
det| 11 9 ; 5 12 | = 87
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\frac{9}{3} \sum_{i=1}^{n} i^{2}
2H₂ + O₂ → 2H₂O
iħ ∂ψ/∂t = Ĥψ