Respostas

2014-04-09T23:17:25-03:00
X=0,3535.... logo 100x=35,35... 100x-x=35,35...- 0,3535...=> 99x=35 => x=35/99
y=0,003222... logo 1000x=3,222... e 10000x=32,222...
10000x-1000x= 32,222... - 3,222... = > 9000x=29 =/ x=29/9000