Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 19:04Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\lim_{β\to 0} \frac{\sin β}{β} = 1
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CH₄ + 2O₂ → CO₂ + 2H₂O
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 10 7 ; 3 11 | = 89
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det| 9 4 ; 1 10 | = 86
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6x² + 5x + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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