Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 19:58Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{6} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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6x² + 5x + 5 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{β\to 0} \frac{\sin β}{β} = 1
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ω = 2πf
9ω² + 6ω + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 2 ; 3 8 | = 50
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F = G m₁m₂ / r²
∇²φ = 0