October 2018 2 14 Report

1. Doprowadź do postaci a\sqrt{b}

a) \sqrt{45} - \sqrt{125}

b) 0,2\sqrt{50} + 0,8\sqrt{72} - 0,3\sqrt{32}

2. Oblicz.

a) \sqrt{30} * \sqrt{480}

b) \sqrt{80} * \sqrt{180}


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