Respostas

2013-11-24T14:08:16-02:00
simplifique o radical raiz de 80
Fatorando o 80
80   2
40   2
20   2
10   2
5     5
1
resultado = 2 raiz quadrada de 5
4 3 4
2013-11-24T14:11:15-02:00
raiz de 80
primeiro passo fatorar o 80

80/2                                        
raiz80
40/2                                          raiz 2elevedo4*5
20/2                                           4raizde5
10/2
5/5
1

2 5 2