√98 = √2·7² = 7√2
√147 = √3·7² = 7√3
√163 = numar prim
√243 = √3⁵ = 9√3
√338 = √2·13² = 13√2
[tex]\sqrt{98}=7\sqrt{2}[/tex]
98|2
49|7
7|7
[tex]\sqrt{147}= 7\sqrt{3} [/tex]
147|3
49|7
7|7
[tex]\sqrt{163} = \sqrt{163}[/tex]
Deoarece 163 e numar prim
[tex]\sqrt{243}=9\sqrt{3} \\[/tex]
243|3=81
81|[tex]3^{2}[/tex]
9|[tex]3^{2}[/tex]
[tex]\sqrt{338} =13\sqrt{2}[/tex]
338|2
169|[tex]13^{2}[/tex]
