Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:16Z
4y² + 8y + 1 = 0
\lim_{z\to 0} \frac{\sin z}{z} = 1
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
det| 3 3 ; 0 4 | = 12
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CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 9 8 ; 1 10 | = 82
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
67K
∑_{k=1}^{n} k = n(n+1)/2
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