Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:30Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 7 4 ; 4 8 | = 40
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ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 1 7 ; 1 2 | = -5
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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\lim_{α\to 0} \frac{\sin α}{α} = 1
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d/dn [n^1] = 1n^0
\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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