Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:24Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
det| 7 4 ; 4 8 | = 40
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
191K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
153K
\frac{10}{1} \sum_{i=1}^{n} i^{2}
F = G m₁m₂ / r²
det| 6 6 ; 3 7 | = 24
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
416K
det| 2 5 ; 6 3 | = -24
\frac{2}{1} \sum_{i=1}^{n} i^{2}