Respostas

2014-07-21T21:47:36-03:00
2,85 ÷ 2 = 1,425
0,93 ÷ 2 =0,465

1,425 + 0,465 = 1,89
1,425 - 0,465 = 0,96

1,89 + 0,96 =2,85
1,89 - 0,96 =0,93

R= 1,89 e 0,96
2 5 2