Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:15Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
det| 7 4 ; 4 8 | = 40
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 8 8 ; 0 9 | = 72
\oint_C \vec{F}\cdot d\vec{r} = 0
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∑_{k=1}^{n} k = n(n+1)/2
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