Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:30Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 7 4 ; 4 8 | = 40
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CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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∂x/∂r = 4x
CH₄ + 2O₂ → CO₂ + 2H₂O
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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