Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-20 03:33Z

det| 7 6 ; 7 8 | = 14

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

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∑_{k=1}^{n} k = n(n+1)/2

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F = G m₁m₂ / r²

d/dt [t^3] = 3t^2

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

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det| 10 3 ; 0 11 | = 110

∑_{k=1}^{n} k = n(n+1)/2

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det| 9 4 ; 1 10 | = 86

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Fe₂O₃ + 3CO → 2Fe + 3CO₂

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∂y/∂n = 5y

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