Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 02:17Z
∂r/∂t = 7r
det| 11 9 ; 0 12 | = 132
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\lim_{y\to 0} \frac{\sin y}{y} = 1
det| 7 4 ; 4 8 | = 40
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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iħ ∂ψ/∂t = Ĥψ
det| 4 6 ; 4 5 | = -4
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-t²) dt = √π / 2
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