wykonaj dzialania 4/70 b) [latex] sqrt{20} + sqrt{45} - sqrt{125} [/latex] c) [latex] sqrt{12} + sqrt{27} - sqrt{75} [/latex] d) [latex] sqrt{160} - 2 sqrt{90} + 3sqrt{40} [/latex] e) [latex] sqrt[3]{48} + sqrt[3]{162} [/latex] f) [latex] sqrt[3]{135}

[latex]b)    sqrt{20} + sqrt{45} - sqrt{125} = 2sqrt{5}+3sqrt{5}-5sqrt{5}=0\  c)  sqrt{12} + sqrt{27} - sqrt{75} = 2sqrt{3}+3sqrt{3}-5sqrt{3} = 0\d)  sqrt{160} - 2 sqrt{90} + 3sqrt{40} = 4sqrt{10}-6sqrt{10}+6sqrt{10}=4sqrt{10}\e)  sqrt[3]{48} + sqrt[3]{162} = 2sqrt[3]{6}+3sqrt[3]{6}=5sqrt[3]{6}\f) sqrt[3]{135} + sqrt[3]{40} =3sqrt[3]{5}+2sqrt[3]{5}=5sqrt[3]{5}[/latex]