Respostas

  • Usuário do Brainly
2014-03-31T00:36:50-03:00
G-) 6/7-√2
6 * (7+√2)
7-√2 *(7+√2)
42+6√2
49-2
42+6√2
47
h-) 1
   4+2√2
1
4+√8
1* (4-√8)
4+√8 * (4-√8)
4-√8
16-8
4-2√2
8

i-)√3+1 * (√3+1)
  √3-1  *(√3+1)
(√3+1)²
  3-1
3+2√3+1
     2

1 5 1