Răspuns:
a)8
b)
c)-8
d)4
Scuze dar b nu il stiu
[tex] \sqrt{64 } = 8[/tex]
[tex] \sqrt{18 {}^{6} } = 2 {}^{3} \times 3 {}^{6} [/tex]
[tex] \sqrt{( - 8)} {}^{2} = 2 {}^{3} = 8[/tex]
[tex] \sqrt{( + 4)} {}^{2} = 2 {}^{2} = 4 [/tex]
