math_mommy: (Default)
math_mommy ([personal profile] math_mommy) wrote in [personal profile] gracheeha 2019-09-28 03:08 pm (UTC)

Re: Размен фигур

Формально, конечно, нужно другое основание. Но новизна хулиганства перестанет поражать, и что тогда останется?

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