Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:59Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 5 6 ; 7 6 | = -12
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
det| 7 4 ; 4 8 | = 40
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\frac{10}{1} \sum_{i=1}^{n} i^{2}
det| 10 4 ; 1 11 | = 106
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F = G m₁m₂ / r²
∫₀^∞ e^(-t²) dt = √π / 2
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