Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 00:32Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 7 9 ; 1 8 | = 47
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iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
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det| 10 7 ; 5 11 | = 75
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}