November 2018 1 59 Report
Wśród liczb należących do zbioru:

Z = {  \frac{1}{3} , -2 + \sqrt{2} , \sqrt{8} , \sqrt{49} , \sqrt{120} , \sqrt{2} -1, 41, (2+ \sqrt{2} )^{2} } liczb wymiernych jest:

A. 4
B. 3
C. 2
D.1
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