Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:02Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 6 ; 6 9 | = 36
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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8β² + 2β + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 7 4 ; 4 8 | = 40
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\lim_{r\to 0} \frac{\sin r}{r} = 1
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∑_{k=1}^{n} k = n(n+1)/2
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