Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:24Z
det| 12 9 ; 4 13 | = 120
∑_{k=1}^{n} k = n(n+1)/2
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∂α/∂n = 1α
det| 7 9 ; 3 8 | = 29
det| 3 1 ; 7 4 | = 5
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\oint_C \vec{F}\cdot d\vec{r} = 0
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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d/dy [y^11] = 11y^10
233K