Respostas

2014-05-27T19:13:40-03:00
3.(-2)²-4.4
3.4-4.4
12-16
-4

espero ter ajudado =)
2014-05-27T19:14:01-03:00
3x²- 4y
3.(-2)² - 4.4
3.4 - 16
12 - 16
-4
1 5 1