ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-20 00:20Z
PV = nRT
det| 7 1 ; 7 8 | = 49
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{α\to 0} \frac{\sin α}{α} = 1
CaCO₃ → CaO + CO₂
9θ² + 4θ + 2 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂ψ/∂ω = 2ψ