Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∫₀^∞ e^(-θ²) dθ = √π / 2
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d/dx [x^7] = 7x^6
\lim_{r\to 0} \frac{\sin r}{r} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
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