  The evolution of matter density perturbations in two-component model of the
Universe consisting of dark energy (DE) and dust-like matter (M) is considered.
We have analyzed it for two kinds of DE with $\omega\ne -1$: a) unperturbed
energy density and b) perturbed one (uncoupled with matter). For these cases
the linear equations for evolution of the gauge-invariant amplitudes of matter
density perturbations are presented. It is shown that in the case of
unperturbed energy density of DE the amplitude of matter density perturbations
grow slightly faster than in the second case.
