Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:54Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇ × E = −∂B/∂t
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 2 9 ; 0 3 | = 6
∑_{k=1}^{n} k = n(n+1)/2
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\frac{4}{9} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{6} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 9 4 ; 1 10 | = 86
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