Respostas

2013-04-02T19:56:05-03:00

\sqrt{81.2} - \sqrt{196.3} + \sqrt{225.2}

9\sqrt{2} - 14\sqrt{3} + 15\sqrt{2}

24a - 14b

 

Item c

2 5 2
2013-04-03T04:16:22-03:00