\begin{document}$ e^+e^- $\end{document} colliders was investigated using \begin{document}$\mathrm{SANC}$\end{document} Monte Carlo event generator \begin{document}$\mathrm{ReneSANCe}$\end{document} and integrator \begin{document}$\mathrm{MCSANC}$\end{document} for simulation of Bhabha scattering at low angles. Results are presented for center-of-mass energies of the Z boson resonance and at 240 GeV for the conditions of typical luminosity detectors. It is shown that bremsstrahlung events with extremely low electron scattering angles are relevant to match the precision tags of future electron-positron colliders."> <inline-formula><tex-math id="M1">\begin{document}${\mathrm{SANC}}$\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/8c2ddfec-45ca-4bef-a87d-94ff8d0b277c/CPC-2023-0519_M1.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/8c2ddfec-45ca-4bef-a87d-94ff8d0b277c/CPC-2023-0519_M1.png"/></alternatives></inline-formula> Monte Carlo programs for small-angle Bhabha scattering -
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