February 2019 0 28 Report
1.Oblicz :
a) (2√2+1)²=
b) (3-√5)²=
c) (2√7-3)(2√7+3)=
d) (2√5+4)(2√5-4)=
e) (3√2-3)²·(√3√2+3)²=
f) (2√2+7)²·(√7-2√2)²=
g) √2√7+√3·√2√7-√3=
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