oblicz [latex]2* sqrt frac{1}{4}- frac{2}{3}* sqrt[3]- frac{8}{125} [/latex] [latex]3* sqrt[3]{8}-2* sqrt[3]{-1}+4* sqrt{16} [/latex] pomocy

[latex]2*sqrt{frac{1}{4}}-frac{2}{3}*sqrt[3]{-frac{8}{125}} = 2*frac{1}{2}-frac{2}{3}*(-frac{2}{5})=1+frac{4}{15} = 1frac{4}{15}[/latex] [latex]3*sqrt[3]{8}-2*sqrt[3]{-1}}+4*sqrt{16} = 3*2-2*(-1)+4*4 =\\= 6+2+16 =24 [/latex]