Math Dump /sym/6c3138

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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

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∫₀^∞ e^(-θ²) dθ = √π / 2

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

\lim_{β\to 0} \frac{\sin β}{β} = 1

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12y² + 5y + 7 = 0

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ω = 2πf

det| 7 4 ; 4 8 | = 40

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\oint_C \vec{F}\cdot d\vec{r} = 0

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∑_{k=1}^{n} k = n(n+1)/2

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12γ² + 9γ + 1 = 0

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∑_{k=1}^{n} k = n(n+1)/2

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N₂ + 3H₂ ⇌ 2NH₃

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PV = nRT

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