Utilize o cálculo mental e complete as lacunas com uma destas relações <, > ou =.

a) [tex]\sqrt{100} - \sqrt{64}[/tex] _______ [tex]\sqrt{100-64}[/tex]
b)[tex]\sqrt{9} +\sqrt{16}[/tex] ________ [tex]\sqrt{9+16}[/tex]
c)[tex]\sqrt{4} *\sqrt{25}[/tex] ________ [tex]\sqrt{4*25}[/tex]
d)[tex]\sqrt{144} :\sqrt{36}[/tex] ________ [tex]\sqrt{144:36}[/tex]
e)[tex]7^{2} +10^{2}[/tex] _______ [tex](7+10)^{2}[/tex]
f)[tex]2^{3} +1^{3}[/tex] _______ [tex](2+1)^{3}[/tex]
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