[tex]x=\sqrt{(-3)^{2}}+\sqrt{(-5)^{2}} = 3+5=8\\y=\sqrt[3]{(-3)^{3}}+\sqrt[3]{(-5)^{3}}=-3+(-5)=-3-5=-8\\z=(\sqrt{5^{3} })^{2}+(\sqrt[3]{(-5)^{3} } )^{3}=5^{3}+(-5)^{3}=125-125=0[/tex]
8=-(-8)
8=8
prawda
8+(-8)≤8
8-8≤8
0≤8
chyba prawda
8+(-8)=0
8-8=0
0=0
prawda
0>0
fałsz bo 0=0
