Zad 1 włącz czynnik pod pierwiastek (a,b,c,x,y≥ 0)
0,2√2, 0,3√3, 1,2√1/7, 0,1∛-6, 0,2∛5
x√a, ab√x, y∛-y, ab∛y, abc∛-a
zadanie 2 oblicz sume liczb
a) √80, √75
b) √20, √72
c) ∛16, ∛24
d) ∛88, ∛-297.
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1)
0,2√2 = √2.4
0,3√3 = √3.9
1,2√1/7 = √18/28 = √9/14
0,1∛-6 = √-6.001
0,2∛5 = √5.008
2)
a) 4√5 + 5√3
b) 2√6 + 6√2
c) 5.40434124
d) -2.223980091