Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-04 01:16Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
122K
∇²θ = 0
e^{i\pi} + 1 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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\frac{4}{9} \sum_{i=1}^{n} i^{2}
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iħ ∂ψ/∂t = Ĥψ
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\oint_C \vec{F}\cdot d\vec{r} = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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det| 7 9 ; 1 8 | = 47
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