Respostas

2013-12-14T18:33:08-02:00
2√3  (5√2)
5√2 (5√2)

10√6    => 10√6 =>  \sqrt{6} /5
25.2            50


2013-12-14T18:34:43-02:00
2√3   =   racionalize os denominadores
5√2
2
√3 . √2   = 2√6   = √6
5√2 . √2      5.2        5