ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:21Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
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∫₀^∞ e^(-r²) dr = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
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12γ² + 2γ + 2 = 0
det| 4 8 ; 0 5 | = 20
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E = mc²
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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λ = h/p
\frac{3}{8} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-t²) dt = √π / 2
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∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O