Respostas

2014-08-21T00:32:17-03:00
1-1:3-1 = -1/3

aquele 3 5 ali embaixo oque é?
2014-08-21T01:21:08-03:00
( 1 - 1 ) / 3 ÷ ( 3 - 1 ) / 5

0 / 3 ÷ 2 / 5

0 / 3 • 5 / 2

0 / 6 = 0