Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 02:06Z
∂r/∂t = 7r
det| 7 9 ; 1 8 | = 47
479K
\lim_{y\to 0} \frac{\sin y}{y} = 1
det| 4 6 ; 4 5 | = -4
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
390K
det| 12 8 ; 0 13 | = 156
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 12 4 ; 2 13 | = 148
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{r\to 0} \frac{\sin r}{r} = 1