Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 23:21Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-r²) dr = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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7z² + 5z + 1 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-y²) dy = √π / 2
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det| 7 4 ; 4 8 | = 40
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N₂ + 3H₂ ⇌ 2NH₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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2t² + 5t + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂