ρ_{K} = \frac{m}{V} = \frac{3 ρ_{V}}{2} = 1, 5 \cdot 1000 = 1500 k g / m^{3}

${\rho_\text{K} = \frac{m}{V} = \frac{3\rho_\text{V}}{2} = {1,5}\cdot 1000 = {1500}\,\mathrm{kg/m^3}}$

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