December 2018 1 47 Report
1.Oblicz: a). (√7+1)², b) (√5-3)², c) (√3+√2)², d). ( \frac{ \sqrt{2} }{2} -√6)², e) (5-√7)*(5+√7), f) (√5+1)*(1-√5)
2.Oblicz: |5|, |-5|, |√3-1|, |√3-3|, |4-3√2|, |5-2√5|
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