Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:33Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 5 9 ; 7 6 | = -33
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 4 ; 1 10 | = 86
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det| 4 7 ; 5 5 | = -15
det| 3 1 ; 7 4 | = 5
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∑_{k=1}^{n} k = n(n+1)/2
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