Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:54Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
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\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{10}{1} \sum_{i=1}^{n} i^{2}
det| 7 6 ; 1 8 | = 50
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F = G m₁m₂ / r²
2H₂ + O₂ → 2H₂O
det| 2 5 ; 6 3 | = -24