September 2018 1 21 Report

zadanie 45, 47 ze strony 14-15 z ćwiczeń Matematyka 1 (dla liceum...)

(\sqrt{21} - \sqrt{20}) * (\sqrt{21} +\sqrt{20})= \sqrt{\sqrt{13}+ 2} * \sqrt{\sqrt{13}- 2} = \sqrt{5\sqrt{2}+ 7} * \sqrt{5\sqrt{2} - 7}=

(to są 3 osobne zadania)


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