Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 10:07Z
F = G m₁m₂ / r²
det| 7 4 ; 4 8 | = 40
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\frac{7}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
434K
5ω² + 7ω + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
63K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 6 3 ; 0 7 | = 42
\oint_C \vec{F}\cdot d\vec{r} = 0
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2H₂ + O₂ → 2H₂O
det| 5 9 ; 0 6 | = 30
\oint_C \vec{F}\cdot d\vec{r} = 0