Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:32Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 7 4 ; 4 8 | = 40

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det| 1 4 ; 3 2 | = -10

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\binom{n}{k} = \frac{n!}{k!(n-k)!}

PV = nRT

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F = G m₁m₂ / r²

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ω = 2πf

\binom{n}{k} = \frac{n!}{k!(n-k)!}

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6r² + 3r + 1 = 0

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e^{i\pi} + 1 = 0

\frac{8}{7} \sum_{i=1}^{n} i^{2}

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∑_{k=1}^{n} k = n(n+1)/2

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∇ × E = −∂B/∂t

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\lim_{t\to 0} \frac{\sin t}{t} = 1

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