hola me ayudan

[tex]2 \sqrt{422525252222} [/tex]
[tex]3 \sqrt{2555555188447411441} [/tex]
[tex]98 \sqrt{225225222285469888} [/tex]


[tex]256225 \times \frac{2}{525222.222} \times \frac{626252}{25552} [/tex]
me ayudan ​