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The bremsstrahlung flux-averaged cross-sections $\langle{\sigma(E_{\rm{\gammamax}})}\rangle$ for the photonuclear reactions${^{65}\rm{Cu}}(\gamma,n)^{64}\rm{Cu}$, ${^{63}\rm{Cu}}(\gamma,n)^{62}\rm{Cu}$,${^{63}\rm{Cu}}(\gamma,2n)^{61}\rm{Cu}$ and${^{63}\rm{Cu}}(\gamma,3n)^{60}\rm{Cu}$ have been measured in the range ofbremsstrahlung end-point energies $E_{\rm{\gamma max}}$ = 35-94 MeV.  The experiments were performed with the electron beam from the NSC KIPTlinear accelerator LUE-40 with the use of the activation and off-line$\gamma$-ray spectrometric technique. The calculation of the flux-averagecross-sections $\langle{\sigma(E_{\rm{\gamma max}})}\rangle_{\rm{th}}$ wascarried out using the cross-section $\sigma(E)$ values from the TALYS1.95 codewith the default options.  It is shown that the experimental average cross-sections for the reactions${^{65}\rm{Cu}}(\gamma,n)^{64}\rm{Cu}$, ${^{63}\rm{Cu}}(\gamma,n)^{62}\rm{Cu}$,${^{63}\rm{Cu}}(\gamma,2n)^{61}\rm{Cu}$ are systematically higher than thetheoretical estimates in the TALYS1.95 code. The obtained$\langle{\sigma(E_{\rm{\gamma max}})}\rangle$ supplement the data of differentlaboratories for the case of reactions $(\gamma,n)$ and $(\gamma,2n)$. For thereaction ${^{63}\rm{Cu}}(\gamma,3n)^{60}\rm{Cu}$, the values of$\langle{\sigma(E_{\rm{\gamma max}})}\rangle$ were measured for the first time.

Photonuclear reactions ${^{65}\rm{Cu}}(\gamma,n)^{64}\rm{Cu}$ and  ${^{63}\rm{Cu}}(\gamma,xn)^{63-x}\rm{Cu}$ cross-sections in the energy range  $E_{\rm{\gamma max}}$ = 35-94 MeV