Respostas

2014-02-19T08:36:19-03:00
-14/9 ~ -1,55
-30/10 = -3
-5/2 = -2,5
√7 ~ 2,64
- π ~ - 3,14

---------(-3,14)-----(-3)-----(-2,5)------(-1,55)------(2,64)---- ou seja: 

---------(-π)-------(-30/10)------(-5/2)------(-14/9)--------(√7)------