Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:40Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

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

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

e^{i\pi} + 1 = 0

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ω = 2πf

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ω = 2πf

∇ × E = −∂B/∂t

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det| 12 2 ; 2 13 | = 152

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e^{i\pi} + 1 = 0

7y² + 9y + 1 = 0

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det| 11 4 ; 5 12 | = 112

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10t² + 8t + 0 = 0

det| 9 4 ; 1 10 | = 86

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∑_{k=1}^{n} k = n(n+1)/2

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∂y/∂n = 5y

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∇ × E = −∂B/∂t

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