Помогите не понимаю 503

[latex] \sqrt{48} / \sqrt{3} [/latex]=[latex] \sqrt{48/3} [/latex]=[latex] \sqrt{16} [/latex]=4 [latex] \sqrt{150} / \sqrt{6} [/latex]=[latex] \sqrt{150/6} [/latex]=[latex] \sqrt{25} [/latex]=5 [latex] \sqrt{6,3} / \sqrt{0,7} = \sqrt{6,3/0,7} = \sqrt{9}=3[/latex] [latex] \sqrt{98} [/latex]/[latex] \sqrt{242} [/latex]=[latex] \sqrt{98/242} [/latex]=[latex] \sqrt{49/121} = 7/11[/latex] [latex] \sqrt{6} [/latex]*[latex] \sqrt{2} [/latex]/[latex] \sqrt{3}[/latex]=[latex] \sqrt{6*2/3} = \sqrt{4} =2[/latex]