Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 20:21Z
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
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\frac{7}{2} \sum_{i=1}^{n} i^{2}
\lim_{t\to 0} \frac{\sin t}{t} = 1
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 5 2 ; 3 6 | = 24
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det| 1 1 ; 5 2 | = -3
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 7 4 ; 4 8 | = 40
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