Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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CaCO₃ → CaO + CO₂
det| 11 9 ; 0 12 | = 132
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e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
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\lim_{x\to 0} \frac{\sin x}{x} = 1
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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det| 5 6 ; 2 6 | = 18
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