September 2018 1 43 Report

Matematyka wokół nas, kl. 2 (gimn), s. 34 z. 16 (podr.)

a)

4\sqrt{63} - 8\sqrt{28} + \sqrt{700} = a\sqrt{7}

b)

 \sqrt{27} + \sqrt{108} - \sqrt{12} + \sqrt{75} = a\sqrt{3}


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